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Closed 10 years ago.
How do I check if the string reader has passed a certain line number, or has passed a line number which contains some text? I put this in the line processing code of a string reader:
if (currentline.Contains("123"))
currentbank = "123";
else if (currentline.Contains("456"))
currentbank = "456";
else if (currentline.Contains("789"))
currentbank = "789";
I want to change the contents of a string based on what range of line numbers it is in, with my code it always gives 123. Like for example if it's from lines 10-20 (or from 123 to 456) then the string should have 123, 20-30 (or 456 to 789) it should have 456 and 30-40 have 789. How can I do this using a StringReader?
Fixed it myself, problem being I used upper case (e.g. TEST) instead of lower case.
Related
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Closed 9 years ago.
How can i get characters between two character ? Example ;
string example = "aaaaaaaaXbbbbXaaaaaa";
How can get bbbb?
You can use String.IndexOf and String.LastIndexOf methods of String class for getting the positions of X's in your string, after that you can use String.SubString method for based their positions.
string example = "aaaaaaaaXbbbbXaaaaaa";
int firstXposition = example.IndexOf("X");
int LastXposition = example.LastIndexOf("X");
Console.WriteLine(example.Substring(firstXposition + 1, LastXposition - firstXposition -1));
Output will be;
bbbb
Here is a DEMO.
You may try like this
where substring holds two parameter
first the starting point of the string after escaping the no of characters i.e 9
second is no of characters need to display i.e 4
string example = "aaaaaaaaXbbbbXaaaaaa";
string sub = input.Substring(9, 4);
Console.WriteLine("Substring: {0}", sub);
string s = "aaaaaaaaXbbbbXaaaaaa";
string[] words = s.Split('X');
now you can use the foreach loop to get whatever you want.
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Closed 9 years ago.
The array consists of 100 items. I need to initialize elements of the array which sequential numbers starting from -2.
You mean SomeArray[-2]? It's not possible, as a value inside [ ] brackets are indexes, and it they can't be negative numbers (but the index starts from 0)... It's like having minus 2nd apple in your basket.
But if you mean values, you can do it easily by a loop
for (i=0; i<=100; i++) {
SomeArray[i] = i-2;
}
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Closed 10 years ago.
The code:
'Files' is a List<string> and _indx is an int.
label22.Text = files[_indx];
For example in 'files' in index[0] I have this string:
D:\New folder (45)\converted.avi_Automatic\Lightning 0 Length 2 [91 - 93]\000091.bmp
But instead in label22.Text I want it to show me only '000091.bmp' without the rest of the directory path.
How can I do it ?
Use Path.GetFileName:
label22.Text = Path.GetFileName(files[_indx]);
I believe you are looking for Path.GetFileName():
label22.Text = Path.GetFileName(files[_indx]);
Path.GetFileName(fileName) returns the file name without the directory.
taken from http://msdn.microsoft.com/en-us/library/system.io.path.getfilename(v=vs.100).aspx
The simplest way is
Path.GetFileName(files[_indx]);
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Closed 10 years ago.
I have following logfile
10:12:28.571 INFO INFO McEvent (ExitWaitPostProcess) Stage: 2
10:12:28.571 INFO McReplay:StatusEvent: 0C0000004576656E74496E666F207631260000000A000000484C4D494E464F207631C0A80A0100007F0000010000010100000000000100000046658FDC5008000000303331333030303115000000
5761697420666F7220706F73742070726F636573735E00000045786974205761697420666F7220706F73742070726F63657373205374616765204E6F322C20592D617869732846726F6E742053696465292C202852656172204C616E65292C205043422049443A20202020202020202020202020202020
10:12:28.571 INFO McReplay:StatusEvent verbose: event:03130001, msg:'Wait for post process', submsg:'Exit Wait for post process Stage No2, Y-axis(Front Side), (Rear Lane), ID: '
10:12:28.571 INFO INFO McEvent (ExitWaitPostProcess) Stage: 2
How should my Regex look like to extract what is coming after McReplay till first line that begins with the time stamp.I have several occurrences in the file and I need all of them.
I thought about something similar to
new Regex(#"^(\d\d:\d\d:\d\d\.\d\d\d) INFO McReplay:(.*?)(\d\d:\d\d:\d\d\.\d\d\d)",
RegexOptions.Singleline | RegexOptions.Multiline);
Seems I have issue with this part (.*?)(\d\d:\d\d:\d\d\.\d\d\d)
What should I fix here ?
This will find all occurrences
List<string> results = new List<string>();
MatchCollection mc = Regex.Matches("yourstring", "McReplay:(.+?)[0-9]{2}:[0-9]{2}:[0-9]{2}", RegexOptions.Singleline);
foreach (Match item in mc)
{
results.Add(item.Result("$1"));
}
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Closed 10 years ago.
I came across this C# literal and was wondering what does it mean?
Especially, in the following case:
string.Format("{0:x}", byteArray[i]);
Thanks
It means format the first argument (index 0) as hexadecimal: http://msdn.microsoft.com/en-us/library/s8s7t687(v=vs.80).aspx
It means the first argument will be output as hexadecimal (in lowercase !!).
To output uppercase you could use "{0:X}".
Look msdn for more info about string formatting : MSDN Custom string format
This represents the hexadecimal format.