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How to extract string between same char [closed]

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I have a string "ABD-DDD-RED-Large" and need to extract "DDD-RED"
using the Split I have:
var split = "ABD-DDD-RED-Large".Split('-');
var first = split[0];
var second = split[1];
var third = split[2];
var fourth = split[3];
string value = string.Join("-", second, third);
just wondering if there's a shorter code

If you just want the second and third parts of an always 4 part (delimited by -) string you can one line it with LINQ:
string value = string.Join("-", someInputString.Split('-').Skip(1).Take(2));
An input of: "ABD-DDD-RED-Large" would give you an output of: "DDD-RED"

Not enough information. You mentioned that string is not static. May be Regex?
string input = "ABD-DDD-RED-Large";
string pattern = #"(?i)^[a-z]+-([a-z]+-[a-z]+)";
string s = Regex.Match(input, pattern).Groups[1].Value;

Use regex
var match = Regex.Match(split, #".*?-(.*?-.*?)-.*?");
var value = match.Success ? match.Groups[1].Value : string.Empty;

I'm going out on a limb and assuming your string is always FOUR substrings divided by THREE hyphens. The main benefit of doing it this way is that it only requires the basic String library.
You can use:
int firstDelIndex = input.IndexOf('-');
int lastDelIndex = input.LastIndexOf('-');
int neededLength = lastDelIndex - firstDelIndex - 1;
result = input.Substring((firstDelIndex + 1), neededLength);
This is generic enough to not care what any of the actual inputs are except the hyphen character.
You may want to add a catch at the start of the method using this to ensure there are at least two hyphen's in the input string before trying to pull out the requested substring.

Extract the first two words from a string with C# [closed]

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I guys im trying to workout C# code to extract the first two words from string. below is code im doing.
public static string GetDetailsAsString(string Details)
{
string Items = //how to get first 2 word from string???
if (Items == null || Items.Length == 0)
return string.Empty;
else
return Items;
}

Define "words", if you want to get the first two words that are separated by white-spaces you can use String.Split and Enumerable.Take:
string[] words = Details.Split();
var twoWords = words.Take(2);
If you want them as separate string:
string firstWords = twoWords.First();
string secondWord = twoWords.Last();
If you want the first two words as single string you can use String.Join:
string twoWordsTogether = string.Join(" ", twoWords);
Note that this simple approach will replace new-line/tab characters with empty spaces.

Assuming the words are separated by whitespaces:
var WordsArray=Details.Split();
string Items = WordsArray[0] + ' ' + WordsArray[1];

C# - split string [closed]

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I have some problems with split and check string.
I need to split string, replace halfs and check is this the same as the second string.
example: first string = tokyo second string = koyto
soo... S = a+b = b+a
S - a = b and S - b = a
a and b is part of one string (S) and may have different long in this case a = to and b = koy
first I need to check string length - is the are different - then write Error - it's easy
the I thought that I can compare strings in ASCII (case sensitivity is not important) and it' could be ok but...
I can create string tooky which have got the same size in ASCII but is not created from split and invert parts of first string...
any ideas?
static void Main(string[] args)
{
string S = "tokyo";
string T = "kyoto";
if (S.Length == T.Length)
{
split string ?
}
else
Console.WriteLine("This two words are different. No result found.");
Console.Read();
}

I would suggest doing the comparisons with strings. You can use the String.ToLower() method to convert them both to lowercase for comparison.
I am not exactly sure what problem you are trying to solve is, but from what I understand you are trying to check if string S can be split into two substrings that can be rearranged to make string T.
To check this you will want something similar to the following
for (int i = 0; i < S.length; i++) {
string back = S.substring(i);
string front = S.substring(0,i);
if (T.equals(back + front))
result = true;
}
Hope this helps

If you want to compare equality of two collections you should consider using LINQ:
static void Main(string[] args)
{
string S = "tokyo";
string T = "kyoto";
if (S.Length == T.Length)
{
if (S.Intersect(T).Any())
{
Console.WriteLine("The Contents are the same");
Console.Read();
}
}
else
Console.WriteLine("This two words are diferent. No result found.");
Console.Read();
}

How to parse number in c#? [closed]

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I want to parse a number with 11 characters.
For example; number is 12345678900
With parse it should be ; 1234 5678 900
How can I do this?

Based on your example, you could use the following:
var numString = 12345678900.ToString();
var result1 = Convert.ToInt32(numString.Substring(0, 4)); //1234
var result2 = Convert.ToInt32(numString.Substring(4, 4)); //5678
var result3 = Convert.ToInt32(numString.Substring(8, 3)); //900

Something like this would probably work.
int number = 12345678900;
StringBuilder sb = new StringBuilder();
String nums = number.ToString();
char[] numsChar = nums.ToCharArray();
for(int x = 1; x < numsChar.length; x++){
if(x%4==0)
sb.Append(numsChar[x-1] + #" ");
else
sb.Append(numsChar[x-1]);
}
String parsedNumber = sb.ToString();

if you have the string with 11 chars which representing a number
so you can use something like this
string num = "12345678901";
num.ToString("0000 0000");
I am not sure but i think you want to show your number as phone number and easy to remember, so take a look at ToString method specs in MSDN

If you are talking about a string containing numeric characters then you can use this:
String.Format("{0:(####) #### ###}", 12345678900); OR
String.Format("{0:(####) #### ###}", txtPhoneNumber.text);

Assuming you mean you want the result string "1234 5678 900":
int num = 12345678900;
string numString = num.toString();
string result = String.Format("{0} {1} {2}",numString.SubString(0,4),numString.SubString(4,4),numString.SubString(8,3));

You could do:
Value.ToString("N", CultureInfo.InvariantCulture);
And then replace the dot and the comma with spaces. ;-)

long numberlong = 12345678900;
string number = numberlong.ToString();
int first = Convert.ToInt32(number.Substring(0, 4));
int second = Convert.ToInt32(number.Substring(4, 4));
int third = Convert.ToInt32(number.Substring(8, 3));
label1.Text = first.ToString() + " " + second.ToString() + " " + third.ToString();

Extract phone number from text [closed]

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I want to build a method that will get a string (preferably the text of a textblock) and it will identify and highlight any phone numbers in the string. The goal is to enable the user to tap any number and directly call or text it(by using the appropriate launcher).
How can I work this out? Any ideas? Thank you in advance!

You can use Regular expression to do this.
Example:-
var s= new Regex(#"(\(?[0-9]{3}\)?)?\-?[0-9]{3}\-?[0-9]{4}",
RegexOptions.IgnoreCase); //North American number
var text = "Some Texxt";
MatchCollection m= s.Matches(text);

String s = "abc055667788abc";
string phoneNumber;
foreach(char c in s)
{
if(Char.isNumber(c) || c == " " || c == "+")
{
phoneNumber = phoneNumber + c;
minimumDigits++;
if(minimumDigits >= 9)
{
NumberDetected(phoneNumber);
}
}
else
{
minimumDigits = 0;
}
}
NumberDetected(string rawNumber)
{
int plusses = 0;
foreach(char c in rawNumber)
{
if(c == "+")
{
plusses++;
}
}
if(plusses <= 1)
{
if(rawNumber.StartsWith("+")
{
NumberDone(rawNumber);
}
}
else
{
MessageBox.Show("Number contained too many plusses!");
}
}