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c# read the value of a changing Progressbar in webbrowser

I am kinda new to c# (spent my time in delphi before) and I am having trouble finding this out:
the Html code of the website is this:
<div class="progress-bar progress-bar-danger" id="counter" style="width: 10.%; overflow: hidden;"></div>
I am trying to figure out sth like this:
var CheckValue = webBrowser1.Document.GetElementById("counter"); if (counter.style.width > 70%) { //code }
So basically what im trying to do is:
I want to check if the width of the progressbar on the website ist filled by more than 70% and if it is it shall execute a code but if it isnt it shall try again after a few seconds.
If you need any more information just tell me!
Thanks

You can use CheckValue.Style, which will return a string containing the style. Then you can use Regex to find what you are looking for.
You want your regex to match the digits between the width: and the .%. You can use this for that:
width: ([0-9]+(\.[0-9]+)?)\.?%
This will match every string starting with width: and ending with % with the possibility of a . before the %, with at least 1 character between 0 and 9.
You can use this code to get this value:
var checkValue = webBrowser1.Document.GetElementById("counter");
Regex regex = new Regex("width: ([0-9]+(\\.[0-9]+)?)\\.?%");
Match match = regex.Match(checkValue.Style);
// Check if match found
if (match.Groups.Count > 1)
{
String s = match.Groups[1].ToString();
int width = (int)Convert.ToDouble(s);
}

client-side validation including unicode character ranges

I got an asp:Textbox as well as an asp:RegularExpressionValidator on my page. Now I try to validate the input for any character of any culture i.e. the German name Günter. Unfortunately instead of the server-sided validation, the client-sided validation fails, because JavaScript is unable to match all culture letters when using \w in the regular expression pattern. Using explicit characters works (^[\wÄÜÖäüö]+$), but this is no solution, since I have to support ALL letters of ALL cultures.
To be honest I need \p{L} in JavaScript. There is a library (XRegExp) that supports this very well. But, how can I force ASP.NET to use this library instead of the default regex functions of JavaScript? I do not want to use an asp:CustomValidator and make even more work to do per form I create.

The validation in RegularExpressionValidator is done server side or client side.
When you set EnableClientScript="false" you can use "\p{L}" to validate "Günter"
<asp:TextBox ID="txtbox1" runat="server" />
<asp:Button ID="Button1" Text="Submit" runat="server" />
<asp:RegularExpressionValidator ID="RegularExpressionValidator1"
ControlToValidate="txtbox1"
ValidationExpression="\p{L}+"
EnableClientScript="false"
ErrorMessage="Error"
runat="server" />
If EnableClientScript="true", your regular expression must be ECMAScript compliant, otherwise it will fail. The behavior of ECMAScript and canonical regular expressions differs, see ECMAScript Matching Behavior.
In other words, to match unicode letters you need to set exact code of each letter or a range between letters similar to a-zA-Z.
Example: to match most of "european" letters from À-ž (see character map tool), use
<asp:RegularExpressionValidator ID="RegularExpressionValidator1"
ControlToValidate="txtbox1"
ValidationExpression="[a-zA-Z\u00c0-\u017e]+"
EnableClientScript="true"
ErrorMessage="Error"
runat="server" />

Okay, I got a solution that is not very elegant, but it works.
As first, link to a JavaScript file in your HTML that contains this:
var u = {
Pi: "\\u00ab\\u2018\\u201b\\u201c\\u201f\\u2039\\u2e02\\u2e04\\u2e09\\u2e0c\\u2e1c",
Sk: "\\u005e\\u0060\\u00a8\\u00af\\u00b4\\u00b8\\u02c2-\\u02c5\\u02d2-\\u02df\\u02e5-\\u02ed\\u02ef-\\u02ff\\u0374\\u0375\\u0384\\u0385\\u1fbd\\u1fbf-\\u1fc1\\u1fcd-\\u1fcf\\u1fdd-\\u1fdf\\u1fed-\\u1fef\\u1ffd\\u1ffe\\u309b\\u309c\\ua700-\\ua716\\ua720\\ua721\\uff3e\\uff40\\uffe3",
Sm: "\\u002b\\u003c-\\u003e\\u007c\\u007e\\u00ac\\u00b1\\u00d7\\u00f7\\u03f6\\u2044\\u2052\\u207a-\\u207c\\u208a-\\u208c\\u2140-\\u2144\\u214b\\u2190-\\u2194\\u219a\\u219b\\u21a0\\u21a3\\u21a6\\u21ae\\u21ce\\u21cf\\u21d2\\u21d4\\u21f4-\\u22ff\\u2308-\\u230b\\u2320\\u2321\\u237c\\u239b-\\u23b3\\u23dc-\\u23e1\\u25b7\\u25c1\\u25f8-\\u25ff\\u266f\\u27c0-\\u27c4\\u27c7-\\u27ca\\u27d0-\\u27e5\\u27f0-\\u27ff\\u2900-\\u2982\\u2999-\\u29d7\\u29dc-\\u29fb\\u29fe-\\u2aff\\ufb29\\ufe62\\ufe64-\\ufe66\\uff0b\\uff1c-\\uff1e\\uff5c\\uff5e\\uffe2\\uffe9-\\uffec",
So: "\\u00a6\\u00a7\\u00a9\\u00ae\\u00b0\\u00b6\\u0482\\u060e\\u060f\\u06e9\\u06fd\\u06fe\\u07f6\\u09fa\\u0b70\\u0bf3-\\u0bf8\\u0bfa\\u0cf1\\u0cf2\\u0f01-\\u0f03\\u0f13-\\u0f17\\u0f1a-\\u0f1f\\u0f34\\u0f36\\u0f38\\u0fbe-\\u0fc5\\u0fc7-\\u0fcc\\u0fcf\\u1360\\u1390-\\u1399\\u1940\\u19e0-\\u19ff\\u1b61-\\u1b6a\\u1b74-\\u1b7c\\u2100\\u2101\\u2103-\\u2106\\u2108\\u2109\\u2114\\u2116-\\u2118\\u211e-\\u2123\\u2125\\u2127\\u2129\\u212e\\u213a\\u213b\\u214a\\u214c\\u214d\\u2195-\\u2199\\u219c-\\u219f\\u21a1\\u21a2\\u21a4\\u21a5\\u21a7-\\u21ad\\u21af-\\u21cd\\u21d0\\u21d1\\u21d3\\u21d5-\\u21f3\\u2300-\\u2307\\u230c-\\u231f\\u2322-\\u2328\\u232b-\\u237b\\u237d-\\u239a\\u23b4-\\u23db\\u23e2-\\u23e7\\u2400-\\u2426\\u2440-\\u244a\\u249c-\\u24e9\\u2500-\\u25b6\\u25b8-\\u25c0\\u25c2-\\u25f7\\u2600-\\u266e\\u2670-\\u269c\\u26a0-\\u26b2\\u2701-\\u2704\\u2706-\\u2709\\u270c-\\u2727\\u2729-\\u274b\\u274d\\u274f-\\u2752\\u2756\\u2758-\\u275e\\u2761-\\u2767\\u2794\\u2798-\\u27af\\u27b1-\\u27be\\u2800-\\u28ff\\u2b00-\\u2b1a\\u2b20-\\u2b23\\u2ce5-\\u2cea\\u2e80-\\u2e99\\u2e9b-\\u2ef3\\u2f00-\\u2fd5\\u2ff0-\\u2ffb\\u3004\\u3012\\u3013\\u3020\\u3036\\u3037\\u303e\\u303f\\u3190\\u3191\\u3196-\\u319f\\u31c0-\\u31cf\\u3200-\\u321e\\u322a-\\u3243\\u3250\\u3260-\\u327f\\u328a-\\u32b0\\u32c0-\\u32fe\\u3300-\\u33ff\\u4dc0-\\u4dff\\ua490-\\ua4c6\\ua828-\\ua82b\\ufdfd\\uffe4\\uffe8\\uffed\\uffee\\ufffc\\ufffd",
Po: "\\u0021-\\u0023\\u0025-\\u0027\\u002a\\u002c\\u002e\\u002f\\u003a\\u003b\\u003f\\u0040\\u005c\\u00a1\\u00b7\\u00bf\\u037e\\u0387\\u055a-\\u055f\\u0589\\u05be\\u05c0\\u05c3\\u05c6\\u05f3\\u05f4\\u060c\\u060d\\u061b\\u061e\\u061f\\u066a-\\u066d\\u06d4\\u0700-\\u070d\\u07f7-\\u07f9\\u0964\\u0965\\u0970\\u0df4\\u0e4f\\u0e5a\\u0e5b\\u0f04-\\u0f12\\u0f85\\u0fd0\\u0fd1\\u104a-\\u104f\\u10fb\\u1361-\\u1368\\u166d\\u166e\\u16eb-\\u16ed\\u1735\\u1736\\u17d4-\\u17d6\\u17d8-\\u17da\\u1800-\\u1805\\u1807-\\u180a\\u1944\\u1945\\u19de\\u19df\\u1a1e\\u1a1f\\u1b5a-\\u1b60\\u2016\\u2017\\u2020-\\u2027\\u2030-\\u2038\\u203b-\\u203e\\u2041-\\u2043\\u2047-\\u2051\\u2053\\u2055-\\u205e\\u2cf9-\\u2cfc\\u2cfe\\u2cff\\u2e00\\u2e01\\u2e06-\\u2e08\\u2e0b\\u2e0e-\\u2e16\\u3001-\\u3003\\u303d\\u30fb\\ua874-\\ua877\\ufe10-\\ufe16\\ufe19\\ufe30\\ufe45\\ufe46\\ufe49-\\ufe4c\\ufe50-\\ufe52\\ufe54-\\ufe57\\ufe5f-\\ufe61\\ufe68\\ufe6a\\ufe6b\\uff01-\\uff03\\uff05-\\uff07\\uff0a\\uff0c\\uff0e\\uff0f\\uff1a\\uff1b\\uff1f\\uff20\\uff3c\\uff61\\uff64\\uff65",
Mn: "\\u0300-\\u036f\\u0483-\\u0486\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u0615\\u064b-\\u065e\\u0670\\u06d6-\\u06dc\\u06df-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u0901\\u0902\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0954\\u0962\\u0963\\u0981\\u09bc\\u09c1-\\u09c4\\u09cd\\u09e2\\u09e3\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a70\\u0a71\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0b01\\u0b3c\\u0b3f\\u0b41-\\u0b43\\u0b4d\\u0b56\\u0b82\\u0bc0\\u0bcd\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0cbc\\u0cbf\\u0cc6\\u0ccc\\u0ccd\\u0ce2\\u0ce3\\u0d41-\\u0d43\\u0d4d\\u0dca\\u0dd2-\\u0dd4\\u0dd6\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f90-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032\\u1036\\u1037\\u1039\\u1058\\u1059\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u180b-\\u180d\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1b00-\\u1b03\\u1b34\\u1b36-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1dc0-\\u1dca\\u1dfe\\u1dff\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20ef\\u302a-\\u302f\\u3099\\u309a\\ua806\\ua80b\\ua825\\ua826\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe23",
Ps: "\\u0028\\u005b\\u007b\\u0f3a\\u0f3c\\u169b\\u201a\\u201e\\u2045\\u207d\\u208d\\u2329\\u2768\\u276a\\u276c\\u276e\\u2770\\u2772\\u2774\\u27c5\\u27e6\\u27e8\\u27ea\\u2983\\u2985\\u2987\\u2989\\u298b\\u298d\\u298f\\u2991\\u2993\\u2995\\u2997\\u29d8\\u29da\\u29fc\\u3008\\u300a\\u300c\\u300e\\u3010\\u3014\\u3016\\u3018\\u301a\\u301d\\ufd3e\\ufe17\\ufe35\\ufe37\\ufe39\\ufe3b\\ufe3d\\ufe3f\\ufe41\\ufe43\\ufe47\\ufe59\\ufe5b\\ufe5d\\uff08\\uff3b\\uff5b\\uff5f\\uff62",
Cc: "\\u0000-\\u001f\\u007f-\\u009f",
Cf: "\\u00ad\\u0600-\\u0603\\u06dd\\u070f\\u17b4\\u17b5\\u200b-\\u200f\\u202a-\\u202e\\u2060-\\u2063\\u206a-\\u206f\\ufeff\\ufff9-\\ufffb",
Ll: "\\u0061-\\u007a\\u00aa\\u00b5\\u00ba\\u00df-\\u00f6\\u00f8-\\u00ff\\u0101\\u0103\\u0105\\u0107\\u0109\\u010b\\u010d\\u010f\\u0111\\u0113\\u0115\\u0117\\u0119\\u011b\\u011d\\u011f\\u0121\\u0123\\u0125\\u0127\\u0129\\u012b\\u012d\\u012f\\u0131\\u0133\\u0135\\u0137\\u0138\\u013a\\u013c\\u013e\\u0140\\u0142\\u0144\\u0146\\u0148\\u0149\\u014b\\u014d\\u014f\\u0151\\u0153\\u0155\\u0157\\u0159\\u015b\\u015d\\u015f\\u0161\\u0163\\u0165\\u0167\\u0169\\u016b\\u016d\\u016f\\u0171\\u0173\\u0175\\u0177\\u017a\\u017c\\u017e-\\u0180\\u0183\\u0185\\u0188\\u018c\\u018d\\u0192\\u0195\\u0199-\\u019b\\u019e\\u01a1\\u01a3\\u01a5\\u01a8\\u01aa\\u01ab\\u01ad\\u01b0\\u01b4\\u01b6\\u01b9\\u01ba\\u01bd-\\u01bf\\u01c6\\u01c9\\u01cc\\u01ce\\u01d0\\u01d2\\u01d4\\u01d6\\u01d8\\u01da\\u01dc\\u01dd\\u01df\\u01e1\\u01e3\\u01e5\\u01e7\\u01e9\\u01eb\\u01ed\\u01ef\\u01f0\\u01f3\\u01f5\\u01f9\\u01fb\\u01fd\\u01ff\\u0201\\u0203\\u0205\\u0207\\u0209\\u020b\\u020d\\u020f\\u0211\\u0213\\u0215\\u0217\\u0219\\u021b\\u021d\\u021f\\u0221\\u0223\\u0225\\u0227\\u0229\\u022b\\u022d\\u022f\\u0231\\u0233-\\u0239\\u023c\\u023f\\u0240\\u0242\\u0247\\u0249\\u024b\\u024d\\u024f-\\u0293\\u0295-\\u02af\\u037b-\\u037d\\u0390\\u03ac-\\u03ce\\u03d0\\u03d1\\u03d5-\\u03d7\\u03d9\\u03db\\u03dd\\u03df\\u03e1\\u03e3\\u03e5\\u03e7\\u03e9\\u03eb\\u03ed\\u03ef-\\u03f3\\u03f5\\u03f8\\u03fb\\u03fc\\u0430-\\u045f\\u0461\\u0463\\u0465\\u0467\\u0469\\u046b\\u046d\\u046f\\u0471\\u0473\\u0475\\u0477\\u0479\\u047b\\u047d\\u047f\\u0481\\u048b\\u048d\\u048f\\u0491\\u0493\\u0495\\u0497\\u0499\\u049b\\u049d\\u049f\\u04a1\\u04a3\\u04a5\\u04a7\\u04a9\\u04ab\\u04ad\\u04af\\u04b1\\u04b3\\u04b5\\u04b7\\u04b9\\u04bb\\u04bd\\u04bf\\u04c2\\u04c4\\u04c6\\u04c8\\u04ca\\u04cc\\u04ce\\u04cf\\u04d1\\u04d3\\u04d5\\u04d7\\u04d9\\u04db\\u04dd\\u04df\\u04e1\\u04e3\\u04e5\\u04e7\\u04e9\\u04eb\\u04ed\\u04ef\\u04f1\\u04f3\\u04f5\\u04f7\\u04f9\\u04fb\\u04fd\\u04ff\\u0501\\u0503\\u0505\\u0507\\u0509\\u050b\\u050d\\u050f\\u0511\\u0513\\u0561-\\u0587\\u1d00-\\u1d2b\\u1d62-\\u1d77\\u1d79-\\u1d9a\\u1e01\\u1e03\\u1e05\\u1e07\\u1e09\\u1e0b\\u1e0d\\u1e0f\\u1e11\\u1e13\\u1e15\\u1e17\\u1e19\\u1e1b\\u1e1d\\u1e1f\\u1e21\\u1e23\\u1e25\\u1e27\\u1e29\\u1e2b\\u1e2d\\u1e2f\\u1e31\\u1e33\\u1e35\\u1e37\\u1e39\\u1e3b\\u1e3d\\u1e3f\\u1e41\\u1e43\\u1e45\\u1e47\\u1e49\\u1e4b\\u1e4d\\u1e4f\\u1e51\\u1e53\\u1e55\\u1e57\\u1e59\\u1e5b\\u1e5d\\u1e5f\\u1e61\\u1e63\\u1e65\\u1e67\\u1e69\\u1e6b\\u1e6d\\u1e6f\\u1e71\\u1e73\\u1e75\\u1e77\\u1e79\\u1e7b\\u1e7d\\u1e7f\\u1e81\\u1e83\\u1e85\\u1e87\\u1e89\\u1e8b\\u1e8d\\u1e8f\\u1e91\\u1e93\\u1e95-\\u1e9b\\u1ea1\\u1ea3\\u1ea5\\u1ea7\\u1ea9\\u1eab\\u1ead\\u1eaf\\u1eb1\\u1eb3\\u1eb5\\u1eb7\\u1eb9\\u1ebb\\u1ebd\\u1ebf\\u1ec1\\u1ec3\\u1ec5\\u1ec7\\u1ec9\\u1ecb\\u1ecd\\u1ecf\\u1ed1\\u1ed3\\u1ed5\\u1ed7\\u1ed9\\u1edb\\u1edd\\u1edf\\u1ee1\\u1ee3\\u1ee5\\u1ee7\\u1ee9\\u1eeb\\u1eed\\u1eef\\u1ef1\\u1ef3\\u1ef5\\u1ef7\\u1ef9\\u1f00-\\u1f07\\u1f10-\\u1f15\\u1f20-\\u1f27\\u1f30-\\u1f37\\u1f40-\\u1f45\\u1f50-\\u1f57\\u1f60-\\u1f67\\u1f70-\\u1f7d\\u1f80-\\u1f87\\u1f90-\\u1f97\\u1fa0-\\u1fa7\\u1fb0-\\u1fb4\\u1fb6\\u1fb7\\u1fbe\\u1fc2-\\u1fc4\\u1fc6\\u1fc7\\u1fd0-\\u1fd3\\u1fd6\\u1fd7\\u1fe0-\\u1fe7\\u1ff2-\\u1ff4\\u1ff6\\u1ff7\\u2071\\u207f\\u210a\\u210e\\u210f\\u2113\\u212f\\u2134\\u2139\\u213c\\u213d\\u2146-\\u2149\\u214e\\u2184\\u2c30-\\u2c5e\\u2c61\\u2c65\\u2c66\\u2c68\\u2c6a\\u2c6c\\u2c74\\u2c76\\u2c77\\u2c81\\u2c83\\u2c85\\u2c87\\u2c89\\u2c8b\\u2c8d\\u2c8f\\u2c91\\u2c93\\u2c95\\u2c97\\u2c99\\u2c9b\\u2c9d\\u2c9f\\u2ca1\\u2ca3\\u2ca5\\u2ca7\\u2ca9\\u2cab\\u2cad\\u2caf\\u2cb1\\u2cb3\\u2cb5\\u2cb7\\u2cb9\\u2cbb\\u2cbd\\u2cbf\\u2cc1\\u2cc3\\u2cc5\\u2cc7\\u2cc9\\u2ccb\\u2ccd\\u2ccf\\u2cd1\\u2cd3\\u2cd5\\u2cd7\\u2cd9\\u2cdb\\u2cdd\\u2cdf\\u2ce1\\u2ce3\\u2ce4\\u2d00-\\u2d25\\ufb00-\\ufb06\\ufb13-\\ufb17\\uff41-\\uff5a",
Lo: "\\u01bb\\u01c0-\\u01c3\\u0294\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0621-\\u063a\\u0641-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u076d\\u0780-\\u07a5\\u07b1\\u07ca-\\u07ea\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u097b-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d28\\u0d2a-\\u0d39\\u0d60\\u0d61\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e45\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0edc\\u0edd\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6a\\u0f88-\\u0f8b\\u1000-\\u1021\\u1023-\\u1027\\u1029\\u102a\\u1050-\\u1055\\u10d0-\\u10fa\\u1100-\\u1159\\u115f-\\u11a2\\u11a8-\\u11f9\\u1200-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u1676\\u1681-\\u169a\\u16a0-\\u16ea\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17dc\\u1820-\\u1842\\u1844-\\u1877\\u1880-\\u18a8\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19a9\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u2135-\\u2138\\u2d30-\\u2d65\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u3006\\u303c\\u3041-\\u3096\\u309f\\u30a1-\\u30fa\\u30ff\\u3105-\\u312c\\u3131-\\u318e\\u31a0-\\u31b7\\u31f0-\\u31ff\\u3400-\\u4db5\\u4db5\\u4e00-\\u9faf\\u9fbb\\ua000-\\ua014\\ua016-\\ua48c\\ua800\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\uac00\\ud7a3\\uf900-\\ufa2d\\ufa30-\\ufa6a\\ufa70-\\ufad9\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff66-\\uff6f\\uff71-\\uff9d\\uffa0-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc",
Co: "\\ue000\\uf8ff",
Nd: "\\u0030-\\u0039\\u0660-\\u0669\\u06f0-\\u06f9\\u07c0-\\u07c9\\u0966-\\u096f\\u09e6-\\u09ef\\u0a66-\\u0a6f\\u0ae6-\\u0aef\\u0b66-\\u0b6f\\u0be6-\\u0bef\\u0c66-\\u0c6f\\u0ce6-\\u0cef\\u0d66-\\u0d6f\\u0e50-\\u0e59\\u0ed0-\\u0ed9\\u0f20-\\u0f29\\u1040-\\u1049\\u17e0-\\u17e9\\u1810-\\u1819\\u1946-\\u194f\\u19d0-\\u19d9\\u1b50-\\u1b59\\uff10-\\uff19",
Lt: "\\u01c5\\u01c8\\u01cb\\u01f2\\u1f88-\\u1f8f\\u1f98-\\u1f9f\\u1fa8-\\u1faf\\u1fbc\\u1fcc\\u1ffc",
Lu: "\\u0041-\\u005a\\u00c0-\\u00d6\\u00d8-\\u00de\\u0100\\u0102\\u0104\\u0106\\u0108\\u010a\\u010c\\u010e\\u0110\\u0112\\u0114\\u0116\\u0118\\u011a\\u011c\\u011e\\u0120\\u0122\\u0124\\u0126\\u0128\\u012a\\u012c\\u012e\\u0130\\u0132\\u0134\\u0136\\u0139\\u013b\\u013d\\u013f\\u0141\\u0143\\u0145\\u0147\\u014a\\u014c\\u014e\\u0150\\u0152\\u0154\\u0156\\u0158\\u015a\\u015c\\u015e\\u0160\\u0162\\u0164\\u0166\\u0168\\u016a\\u016c\\u016e\\u0170\\u0172\\u0174\\u0176\\u0178\\u0179\\u017b\\u017d\\u0181\\u0182\\u0184\\u0186\\u0187\\u0189-\\u018b\\u018e-\\u0191\\u0193\\u0194\\u0196-\\u0198\\u019c\\u019d\\u019f\\u01a0\\u01a2\\u01a4\\u01a6\\u01a7\\u01a9\\u01ac\\u01ae\\u01af\\u01b1-\\u01b3\\u01b5\\u01b7\\u01b8\\u01bc\\u01c4\\u01c7\\u01ca\\u01cd\\u01cf\\u01d1\\u01d3\\u01d5\\u01d7\\u01d9\\u01db\\u01de\\u01e0\\u01e2\\u01e4\\u01e6\\u01e8\\u01ea\\u01ec\\u01ee\\u01f1\\u01f4\\u01f6-\\u01f8\\u01fa\\u01fc\\u01fe\\u0200\\u0202\\u0204\\u0206\\u0208\\u020a\\u020c\\u020e\\u0210\\u0212\\u0214\\u0216\\u0218\\u021a\\u021c\\u021e\\u0220\\u0222\\u0224\\u0226\\u0228\\u022a\\u022c\\u022e\\u0230\\u0232\\u023a\\u023b\\u023d\\u023e\\u0241\\u0243-\\u0246\\u0248\\u024a\\u024c\\u024e\\u0386\\u0388-\\u038a\\u038c\\u038e\\u038f\\u0391-\\u03a1\\u03a3-\\u03ab\\u03d2-\\u03d4\\u03d8\\u03da\\u03dc\\u03de\\u03e0\\u03e2\\u03e4\\u03e6\\u03e8\\u03ea\\u03ec\\u03ee\\u03f4\\u03f7\\u03f9\\u03fa\\u03fd-\\u042f\\u0460\\u0462\\u0464\\u0466\\u0468\\u046a\\u046c\\u046e\\u0470\\u0472\\u0474\\u0476\\u0478\\u047a\\u047c\\u047e\\u0480\\u048a\\u048c\\u048e\\u0490\\u0492\\u0494\\u0496\\u0498\\u049a\\u049c\\u049e\\u04a0\\u04a2\\u04a4\\u04a6\\u04a8\\u04aa\\u04ac\\u04ae\\u04b0\\u04b2\\u04b4\\u04b6\\u04b8\\u04ba\\u04bc\\u04be\\u04c0\\u04c1\\u04c3\\u04c5\\u04c7\\u04c9\\u04cb\\u04cd\\u04d0\\u04d2\\u04d4\\u04d6\\u04d8\\u04da\\u04dc\\u04de\\u04e0\\u04e2\\u04e4\\u04e6\\u04e8\\u04ea\\u04ec\\u04ee\\u04f0\\u04f2\\u04f4\\u04f6\\u04f8\\u04fa\\u04fc\\u04fe\\u0500\\u0502\\u0504\\u0506\\u0508\\u050a\\u050c\\u050e\\u0510\\u0512\\u0531-\\u0556\\u10a0-\\u10c5\\u1e00\\u1e02\\u1e04\\u1e06\\u1e08\\u1e0a\\u1e0c\\u1e0e\\u1e10\\u1e12\\u1e14\\u1e16\\u1e18\\u1e1a\\u1e1c\\u1e1e\\u1e20\\u1e22\\u1e24\\u1e26\\u1e28\\u1e2a\\u1e2c\\u1e2e\\u1e30\\u1e32\\u1e34\\u1e36\\u1e38\\u1e3a\\u1e3c\\u1e3e\\u1e40\\u1e42\\u1e44\\u1e46\\u1e48\\u1e4a\\u1e4c\\u1e4e\\u1e50\\u1e52\\u1e54\\u1e56\\u1e58\\u1e5a\\u1e5c\\u1e5e\\u1e60\\u1e62\\u1e64\\u1e66\\u1e68\\u1e6a\\u1e6c\\u1e6e\\u1e70\\u1e72\\u1e74\\u1e76\\u1e78\\u1e7a\\u1e7c\\u1e7e\\u1e80\\u1e82\\u1e84\\u1e86\\u1e88\\u1e8a\\u1e8c\\u1e8e\\u1e90\\u1e92\\u1e94\\u1ea0\\u1ea2\\u1ea4\\u1ea6\\u1ea8\\u1eaa\\u1eac\\u1eae\\u1eb0\\u1eb2\\u1eb4\\u1eb6\\u1eb8\\u1eba\\u1ebc\\u1ebe\\u1ec0\\u1ec2\\u1ec4\\u1ec6\\u1ec8\\u1eca\\u1ecc\\u1ece\\u1ed0\\u1ed2\\u1ed4\\u1ed6\\u1ed8\\u1eda\\u1edc\\u1ede\\u1ee0\\u1ee2\\u1ee4\\u1ee6\\u1ee8\\u1eea\\u1eec\\u1eee\\u1ef0\\u1ef2\\u1ef4\\u1ef6\\u1ef8\\u1f08-\\u1f0f\\u1f18-\\u1f1d\\u1f28-\\u1f2f\\u1f38-\\u1f3f\\u1f48-\\u1f4d\\u1f59\\u1f5b\\u1f5d\\u1f5f\\u1f68-\\u1f6f\\u1fb8-\\u1fbb\\u1fc8-\\u1fcb\\u1fd8-\\u1fdb\\u1fe8-\\u1fec\\u1ff8-\\u1ffb\\u2102\\u2107\\u210b-\\u210d\\u2110-\\u2112\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u2130-\\u2133\\u213e\\u213f\\u2145\\u2183\\u2c00-\\u2c2e\\u2c60\\u2c62-\\u2c64\\u2c67\\u2c69\\u2c6b\\u2c75\\u2c80\\u2c82\\u2c84\\u2c86\\u2c88\\u2c8a\\u2c8c\\u2c8e\\u2c90\\u2c92\\u2c94\\u2c96\\u2c98\\u2c9a\\u2c9c\\u2c9e\\u2ca0\\u2ca2\\u2ca4\\u2ca6\\u2ca8\\u2caa\\u2cac\\u2cae\\u2cb0\\u2cb2\\u2cb4\\u2cb6\\u2cb8\\u2cba\\u2cbc\\u2cbe\\u2cc0\\u2cc2\\u2cc4\\u2cc6\\u2cc8\\u2cca\\u2ccc\\u2cce\\u2cd0\\u2cd2\\u2cd4\\u2cd6\\u2cd8\\u2cda\\u2cdc\\u2cde\\u2ce0\\u2ce2\\uff21-\\uff3a",
Cs: "\\ud800\\udb7f\\udb80\\udbff\\udc00\\udfff",
Zl: "\\u2028",
Nl: "\\u16ee-\\u16f0\\u2160-\\u2182\\u3007\\u3021-\\u3029\\u3038-\\u303a",
Zp: "\\u2029",
No: "\\u00b2\\u00b3\\u00b9\\u00bc-\\u00be\\u09f4-\\u09f9\\u0bf0-\\u0bf2\\u0f2a-\\u0f33\\u1369-\\u137c\\u17f0-\\u17f9\\u2070\\u2074-\\u2079\\u2080-\\u2089\\u2153-\\u215f\\u2460-\\u249b\\u24ea-\\u24ff\\u2776-\\u2793\\u2cfd\\u3192-\\u3195\\u3220-\\u3229\\u3251-\\u325f\\u3280-\\u3289\\u32b1-\\u32bf",
Zs: "\\u0020\\u00a0\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000",
Sc: "\\u0024\\u00a2-\\u00a5\\u060b\\u09f2\\u09f3\\u0af1\\u0bf9\\u0e3f\\u17db\\u20a0-\\u20b5\\ufdfc\\ufe69\\uff04\\uffe0\\uffe1\\uffe5\\uffe6",
Pc: "\\u005f\\u203f\\u2040\\u2054\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff3f",
Pd: "\\u002d\\u058a\\u1806\\u2010-\\u2015\\u2e17\\u301c\\u3030\\u30a0\\ufe31\\ufe32\\ufe58\\ufe63\\uff0d",
Pe: "\\u0029\\u005d\\u007d\\u0f3b\\u0f3d\\u169c\\u2046\\u207e\\u208e\\u232a\\u2769\\u276b\\u276d\\u276f\\u2771\\u2773\\u2775\\u27c6\\u27e7\\u27e9\\u27eb\\u2984\\u2986\\u2988\\u298a\\u298c\\u298e\\u2990\\u2992\\u2994\\u2996\\u2998\\u29d9\\u29db\\u29fd\\u3009\\u300b\\u300d\\u300f\\u3011\\u3015\\u3017\\u3019\\u301b\\u301e\\u301f\\ufd3f\\ufe18\\ufe36\\ufe38\\ufe3a\\ufe3c\\ufe3e\\ufe40\\ufe42\\ufe44\\ufe48\\ufe5a\\ufe5c\\ufe5e\\uff09\\uff3d\\uff5d\\uff60\\uff63",
Pf: "\\u00bb\\u2019\\u201d\\u203a\\u2e03\\u2e05\\u2e0a\\u2e0d\\u2e1d",
Me: "\\u0488\\u0489\\u06de\\u20dd-\\u20e0\\u20e2-\\u20e4",
Mc: "\\u0903\\u093e-\\u0940\\u0949-\\u094c\\u0982\\u0983\\u09be-\\u09c0\\u09c7\\u09c8\\u09cb\\u09cc\\u09d7\\u0a03\\u0a3e-\\u0a40\\u0a83\\u0abe-\\u0ac0\\u0ac9\\u0acb\\u0acc\\u0b02\\u0b03\\u0b3e\\u0b40\\u0b47\\u0b48\\u0b4b\\u0b4c\\u0b57\\u0bbe\\u0bbf\\u0bc1\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcc\\u0bd7\\u0c01-\\u0c03\\u0c41-\\u0c44\\u0c82\\u0c83\\u0cbe\\u0cc0-\\u0cc4\\u0cc7\\u0cc8\\u0cca\\u0ccb\\u0cd5\\u0cd6\\u0d02\\u0d03\\u0d3e-\\u0d40\\u0d46-\\u0d48\\u0d4a-\\u0d4c\\u0d57\\u0d82\\u0d83\\u0dcf-\\u0dd1\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0f3e\\u0f3f\\u0f7f\\u102c\\u1031\\u1038\\u1056\\u1057\\u17b6\\u17be-\\u17c5\\u17c7\\u17c8\\u1923-\\u1926\\u1929-\\u192b\\u1930\\u1931\\u1933-\\u1938\\u19b0-\\u19c0\\u19c8\\u19c9\\u1a19-\\u1a1b\\u1b04\\u1b35\\u1b3b\\u1b3d-\\u1b41\\u1b43\\u1b44\\ua802\\ua823\\ua824\\ua827",
L: undefined,
M: undefined,
Z: undefined,
S: undefined,
N: undefined,
P: undefined,
C: undefined,
};
u.L = u.Ll + u.Lo + u.Lt + u.Lu;
u.M = u.Mc + u.Me + u.Mn;
u.Z = u.Zl + u.Zp + u.Zs;
u.S = u.Sc + u.Sk + u.Sm + u.So;
u.N = u.Nd + u.Nl + u.No;
u.P = u.Pc + u.Pd + u.Pe + u.Pf + u.Pi + u.Po;
u.C = u.Cc + u.Cf + u.Co + u.Cs;
var w = "\\w" + u.L;
var d = u.N;
Thanks to mgibsonbr, his list helped me to get all the unicode ranges. (Check the script)
As you can see, it contains a huge global variable that handles unicode codes for all \p extensions, a variable for the \w parameter and a variable for the \d parameter. It's already double escaped, because the validation controls of ASP.NET store the client sided regular expression inside a variable, hence it needs to be double escaped. For more information about the unicode maps: http://www.regular-expressions.info/unicode.html
Looking to the produced client sided ASP.NET code we can see a regular expression validator produces some like these:
ContentPlaceHolder1_RegularExpressionValidator1.validationexpression = "^[\\p{L}]{0,32}$";
So I added something to the Render method of the master site:
protected override void Render(HtmlTextWriter writer)
{
this.CacheControl.RenderHeader(this.Page);
using (HtmlTextWriter htmlwriter = new HtmlTextWriter(new StringWriter()))
{
base.Render(htmlwriter);
string html = htmlwriter.InnerWriter.ToString();
/* To support unicode \w, \d and \p{X} variables inside of asp:RegularExpressionValidator controls on client side.
* This can actually only work when your website reffers to the UnicodeRegex.js that includes
* the initialisation of the global u and w variable.
* This also only work as long as \w and \p{X} are inside of corner brackets [] in your expressions.
* Do not use \W, \D and \P{X} with it, instead negate it with ^.
*/
html = Regex.Replace(html, #"(?<=\.validationexpression = "".*?)\\\\w(?=.*?(?<!\\)"")", "\" + w + \"");
html = Regex.Replace(html, #"(?<=\.validationexpression = "".*?)\\\\d(?=.*?(?<!\\)"")", "\" + d + \"");
html = Regex.Replace(html, #"(?<=\.validationexpression = "".*?)\\\\p\{([a-zA-Z]{1,2})\}(?=.*?(?<!\\)"")", "\" + u.$1 + \"");
writer.Write(html);
}
}
When looking on the result HTML, it will hook the variable from our JS into the validationexpression variable:
ContentPlaceHolder1_RegularExpressionValidator1.validationexpression = "^[" + u.L + "]{0,32}$";
As you can see on the comments I made in the Render function, this trick / hack will restrict your usage of possibilities in the asp:RegularExpressionValidator though. So you cannot use \W, \D and \P{X} as well as you have to place \w, \d and \p{X} between corner brackets [], always.
I hope anybody will come with a better solution, but for now, it works.

Trying to pad decimal number with leading spaces

for (int iCount = 0; iCount < oForm.LineItems.Count; iCount++)
{
// cartDetails is a stringbuilder here.
cartDetails.Append(String.Format("{0:0}", oForm.LineItems[iCount].Quantity));
cartDetails.Append(String.Format("{0:0.00}", oForm.LineItems[iCount].Price));
cartDetails.Append(String.Format("{0:0.00}", oForm.LineItems[iCount].ExtendedPrice));
//cartDetails.Append(string.Format("{0,10:#,##0.00}", oForm.LineItems[iCount].Price) + "</TD><TD>");
//cartDetails.Append(string.Format("{0,10:#,##0.00}", oForm.LineItems[iCount].ExtendedPrice) + "</TD><TD>");
//cartDetails.Append(String.Format("{0}", oForm.LineItems[iCount].Quantity).PadLeft(4)+ "</TD><TD>");
//cartDetails.Append(String.Format("{0:0.00}", oForm.LineItems[iCount].Price).PadLeft(8) + "</TD><TD>");
I have pastd the source code I am using. I add qty, price, extendedprice and all are decimal columns. All I am looking to do is to pad left with leading spaces. Decimal rounding to 2 digits seems to be happening.
Those commented lines above are some of the other options I have tried.
Currently if qty has values such as 4 and 40, they don't get aligned when I print them in a table. Same with price.
CAn someone please suggest what am I doing here?
Update1: Tried Lucas suggestion, but it is not working. Here is what I am geting.
cartDetails.Append(String.Format("{0:0,10}", oForm.LineItems[iCount].Quantity));
When I try the above, it shows 10 for every line irrespective of the value in oForm.LineItems[iCount].Quantity.
And if I change
String.Format("{0:0,4}", it shows 04 for all the records

You can use AppendFormat method instead of appending formatted string.
Also correct format will be {index,padding:format}. And consider to use foreach instead of for:
foreach (var lineItem in oForm.LineItems)
{
cartDetails.AppendFormat("{0,4:0}", lineItem.Quantity);
cartDetails.AppendFormat("{0,10:0.00}", lineItem.Price);
// etc
}

Remark: This is for alignemend in caracter based representation such as text files
Have a look at the last section in composite formatting (MSDN).
First format the number as desired and the pad the result
cartDetails.AppendFormat("{0,4}", // padding with spaces
String.Format("{0:0}", oForm.LineItems[iCount].Quantity)); // format number
Addtition: If you want to position your data in a html table you should use css (or inline styles)
<td class="right">This is right aligned</td>
with css
.right { text-align: right; }
or inlined:
<td style="text-align: right">This is right aligned</td>

Adding double quotes in <a> using C#

I have below code behind in c#
if (Session["cmpDictionaryTitle"]!= null)
{
downloadLinks.Text += #"<li><a onclick='pageTracker._trackEvent('dictionary', 'spanish');' target ='_blank' href=" + Session["cmpDictionaryTitle"] + ">" + GetResourceString("c_DictionaryPDFName") + "</a></li>";
}
I am trying to make below <a> link as shown below:
<li><a target ="_blank" href="/spa/Images/Diccionario_tcm25-18044.pdf" onclick="pageTracker._trackEvent('dictionary', 'spanish');">Diccionario de Español-Inglés GRATIS</a></li>
However my c# code is generating below output when html page get renders, the reason is that I am not able to put proper quotes in my code behind.
<li><a );="" spanish="" ,="" dictionary="" onclick="pageTracker._trackEvent(" href="/spa/Images/Diccionario_tcm25-18044.pdf" target="_blank">Diccionario de Español-Inglés GRATIS</a></li>
Can you please suggest how can I achieve above result in code behind.
Thanks & Best Regards

To use a double-quote in a string built in code, either:
Escape the double-quote character
like this: "\"".
Escape the double-quote character like this:
"""" (when using # to create a verbatim
string literal).
Examples:
// These are both rendered as <a target="_blank" />
Response.Write("<a target =\"_blank\" />");
Response.Write(#"<a target =""_blank"" />");
Here's your original code using backslash-escaped double-quotes for all the attributes (I've chosen the first approach and removed the leading #):
if (Session["cmpDictionaryTitle"]!= null) {
downloadLinks.Text += "<li><a onclick=\"pageTracker._trackEvent('dictionary', 'spanish');\" target =\"_blank\" href=\"" + Session["cmpDictionaryTitle"] + "\">" + GetResourceString("c_DictionaryPDFName") + "</a></li>";
}
Finally, I recommend reading Jon Skeet's excellent article "Strings in .NET and C#."

<a
onclick="pageTracker._trackEvent('dictionary', 'spanish');"
target ="_blank"
href="<%= Server.HtmlEncode((string)Session["cmpDictionaryTitle"]) %>">
<%= Server.HtmlEncode(GetResourceString("c_DictionaryPDFName")) %>
</a>
UPDATE:
You could also build tags using XElement:
var tag = new XElement("li",
new XElement("a",
new XAttribute("onclick", "pageTracker._trackEvent('dictionary', 'spanish');"),
new XAttribute("target", "_blank"),
new XAttribute("href", Session["cmpDictionaryTitle"]),
new XText(GetResourceString("c_DictionaryPDFName"))
)
);
downloadLinks.Text += tag.ToString();

I resolved the above issue with below code:
downloadLinks.Text = string.Format("<li> <a target=\"_blank\" href=\"{0}\" onclick=\"pageTracker._trackEvent('dictionary','spanish');\">{1}</a> </li>",Session["cmpPDFLink"],GetResourceString("c_DictionaryPDFName"));
Cheers!

Your first example is using single quotes for the attribute quotes, and within the value itself, so just change one of them to use double quotes, e.g.:
<a onclick="pageTracker._trackEvent('dictionary', 'spanish');" ...

How to highlight or change the color of some words in a label dynamically at runtime?

I have a label containing some text and I want to highlight or change the color of some words in the text of the label and not all of the words. It has to be dynamic. Any suggestions?
It's for c# with ASP.NET in a user control in webpart in sharepoint

On the server-side, you could just embed some Html in your Label's text (VB):
myLabel.Text="Some normal text <span style='color: red;'>some red text</span>"
That's the basic mechanism, but 'dynamic' could mean a lot of things here. If you post some more details about exactly what you're doing, I might be able to help more.
One more thought: as Rob Allen pointed out, the Literal control may be a slightly better choice in this situation since it's intended to emit raw Html, whereas the Label wraps the text in a span so that the whole thing can be formatted easily.
Check this out for more details: StackOverflow: Literals versus Labels
For the record, depending on the situation I think a Label may actually be okay here.

For ASP.NET,
wrap the words you want highlighted in a <span>. Then set the <span> style background-color to the colour of your choice, or use a CSS class to do so.
For example,
<asp:Label runat="server">
<span style="background-color:Blue;">Hello</span> World
</asp:Label>
or
<asp:Label runat="server" Text="<span style='background-color:Blue;'>Hello</span> World" />
EDIT:
If setting this in code behind, then you can do something like the following
StringBuilder builder = new StringBuilder();
builder.Append([start of text]);
builder.Append("<span style=\"background-color:Blue;\">");
builder.Append([text to highlight]);
builder.Append("</span>");
builder.Append([rest of text]);
Label.Text = builder.ToString();
If you needed to match text already in the label against some specific text then something like the following
string theTextToMatch = "[Text to match]";
string theText = Label.Text;
int leftIndex = theText.IndexOf(theTextToMatch, StringComparison.OrdinalIgnoreCase);
int rightIndex = leftIndex + theTextToMatch.Trim().Length;
StringBuilder builder = new StringBuilder();
builder.Append(theText , 0, leftIndex);
builder.Append("<span style=\"background-color:Blue;\">");
builder.Append(theText, leftIndex, rightIndex - leftIndex);
builder.Append("</span>");
builder.Append(theText, rightIndex, theText.Length - rightIndex);
Label.Text = builder.ToString();

I made a function to look up words in a text string and highlight them with color, the result is put into a label.
Function Remarcar(ByVal palabra As String, ByVal texto As String) As String
Dim textoNuevo As String = String.Empty
If Not String.IsNullOrEmpty(palabra) Then
Dim split As String() = texto.Split(New Char() {" "c})
For Each str As String In split
If str.ToLower.Contains(palabra.ToLower) Then
Dim a As String = String.Empty
Dim b As Int32
For i = 0 To str.Length
If str.ToLower.Substring(i, palabra.Length) = palabra.ToLower Then
a = str.Substring(i, palabra.Length)
b = i
Exit For
End If
Next
textoNuevo &= str & " "
textoNuevo = textoNuevo.Replace(str.Substring(b, palabra.Length), "<span style=""background-color:Yellow;"">" & a & "</span>")
Else
textoNuevo &= str & " "
End If
Next
Else
textoNuevo = texto
End If
Return textoNuevo
End Function
Dim texto As String = "I made a function to look up words in a text string and highlight them with color, the result is put into a label."
Label1.Text = Remarcar("highlight", texto)

You're going to need to be a lot more specific. What language is this in? Are you building an ASP.NET web site with C# code-behind? Is this label in a Windows Form? Please provide as much detail as you can, and update the tags on your post as well.

Starting with:
<label> She sells sea shells by the sea shore </label>
We want "sells sea" to be red, and "the sea shore" to be highlighted.
<label> She <font color="red">sea shells</font> by <font style="BACKGROUND-COLOR: yellow">the sea shore</font></label>
All done!

If it is asp.net (since you didn't specify) you are referring to you are going have to embed the words you want to highlight in another label.
<asp:label runat="server" id="nonRed">some text
<asp:label runat="server" id="redText" style="color:Red">Red Text</asp:label>
</asp:label>

You could use a Substitution control if caching is a concern.
<asp:Label ID="Label1" runat="server" Text="">
<asp:Substitution ID="Substitution1" runat="server" MethodName="GetDynamicLabel"/>
</asp:Label>
protected static string GetDynamicLabel( HttpContext context )
{
return string.Format( "<span style='background-color:Blue;'>{0}</span> {1}", "Blue", "Not Blue" );
}