txt 2 re
knowing is obsolete :: regular expression generator (perl php python java javascript coldfusion c c++ ruby vb vbscript j# c# c++.net vb.net)
 
 
 
Enter the string that you want to use a regular expression on:
1
   
 
Select the elements that you want to extract to run regular expression generator:
2
4
c 4
d4
2
c 2
d2
day2
int42
_
c 
ws_
4
c 4
d4
3
c 3
d3
day3
int43
< Source String
What to click?  extract any integer in this position
extract this integer (2006) in this position
 
3C# regular expression program that extracts the selected elements from the entered string:
Perl PHP Python Java Javascript ColdFusion C C++ Ruby VB VBScript J#.net [C#.net] C++.net VB.net 
 
// URL that generated this code:
// http://txt2re.com/index-csharp.php3?s=42%2043&10

using System;
using System.Text.RegularExpressions;

namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      string txt="42 43";

      string re1=".*?";	// Non-greedy match on filler
      string re2=".";	// Uninteresting: c
      string re3=".*?";	// Non-greedy match on filler
      string re4=".";	// Uninteresting: c
      string re5="(.)";	// Any Single Character 1

      Regex r = new Regex(re1+re2+re3+re4+re5,RegexOptions.IgnoreCase|RegexOptions.Singleline);
      Match m = r.Match(txt);
      if (m.Success)
      {
            String c1=m.Groups[1].ToString();
            Console.Write("("+c1.ToString()+")"+"\n");
      }
      Console.ReadLine();
    }
  }
}

//-----
// Paste the code into a new Console Application
//-----
 
 
 
 
Feedback
mukul:: thank you sooo much.. great workFri, 6 Feb 2015 08:20PM
aniston:: if only i had found this before !Sun, 8 Feb 2015 03:45PM
ZizzyDizzyMC:: I love you, I love bacon, I love this site more than either. Mon, 9 Feb 2015 04:18AM
:: Add support for Tickle (TCL) scripts?Tue, 10 Feb 2015 07:56AM
:: wowFri, 13 Feb 2015 01:40AM
::  Tue, 17 Feb 2015 10:43AM
::  Tue, 17 Feb 2015 02:29PM
Nav23:: Thank youTue, 17 Feb 2015 10:16PM
developer:: Simply brilliant! Regex generated in less than 2 minutes... :-) THANK YOU!!!!Wed, 18 Feb 2015 10:14AM
::  Thu, 19 Feb 2015 10:37AM
::  Thu, 19 Feb 2015 01:15PM
::  Thu, 19 Feb 2015 01:15PM
bobbyjo:: The best regular expression builder there is!Thu, 19 Feb 2015 11:48PM
::  Fri, 20 Feb 2015 02:06AM
:: could you plz tell me the step by step process that how to use txt2re?Fri, 20 Feb 2015 11:07AM
:: ddFri, 20 Feb 2015 12:31PM
:: lelFri, 20 Feb 2015 12:31PM
Андрей Викторович::  Sun, 22 Feb 2015 05:32PM
gkxhel:: ffChShZJjJMon, 23 Feb 2015 07:36AM
sanae:: A great toolMon, 23 Feb 2015 02:13PM
alert(/a/):: alert(/a/)Mon, 23 Feb 2015 02:14PM
::  Mon, 23 Feb 2015 02:15PM
::  Mon, 23 Feb 2015 02:15PM
::  Mon, 23 Feb 2015 06:53PM
tako:: I literally have no idea how the fuck to use your toolMon, 23 Feb 2015 08:02PM
silphium:: Verry cool!Tue, 24 Feb 2015 05:59AM
Raviraj:: NiceeeeeeeeeeeeeeeeeeTue, 24 Feb 2015 10:00AM
:: You deserve a medal!Wed, 25 Feb 2015 12:19PM
jared::  Wed, 25 Feb 2015 02:30PM
::  Wed, 25 Feb 2015 04:48PM
::  Wed, 25 Feb 2015 09:19PM
:: WTB setting for grep regex with or without -P and lookbehind + lookaheadThu, 26 Feb 2015 03:10PM
::  Thu, 26 Feb 2015 11:59PM
j2:: This is some good work, You must be a wiz or an insomniacThu, 26 Feb 2015 11:59PM
colin:: Thank you so much, worked perfectly!Fri, 27 Feb 2015 12:17AM
::  Fri, 27 Feb 2015 01:17AM
Add Experiment:: blah blah balghFri, 27 Feb 2015 07:56AM
::  Fri, 27 Feb 2015 03:30PM
pro:: thank you for this awesom serviceFri, 27 Feb 2015 06:08PM
Arun:: This is beyond awesome... Done my work in 2 mins...Fri, 27 Feb 2015 10:31PM
::  Sat, 28 Feb 2015 02:56AM
123:: 123Sat, 28 Feb 2015 10:40AM
::  Sun, 1 Mar 2015 03:41AM
:: NiceSun, 1 Mar 2015 08:17AM
 
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