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
2
day2
int42
_
 _
ws_
4
c 4
d4
3
c 3
d3
day3
int
< 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&2&-10&-6

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="(2)";	// Any Single Digit 1
      string re3="( )";	// Any Single Character 1
      string re4="(\\d+)";	// Integer Number 1

      Regex r = new Regex(re1+re2+re3+re4,RegexOptions.IgnoreCase|RegexOptions.Singleline);
      Match m = r.Match(txt);
      if (m.Success)
      {
            String d1=m.Groups[1].ToString();
            String c1=m.Groups[2].ToString();
            String int1=m.Groups[3].ToString();
            Console.Write("("+d1.ToString()+")"+"("+c1.ToString()+")"+"("+int1.ToString()+")"+"\n");
      }
      Console.ReadLine();
    }
  }
}

//-----
// Paste the code into a new Console Application
//-----
 
 
 
 
Feedback
Gcankov:: Thank you, kind sir. This is awesome!Thu, 9 May 2013 11:07AM
bradland:: Love this too sooooo much! Would love an output option that outputs a suitable `grep- E` regex :)Thu, 9 May 2013 07:50PM
MikeN:: Thanks a lot for putting this out!Thu, 9 May 2013 08:23PM
µç»°::  Fri, 10 May 2013 04:23AM
takobaba:: thank you, awesome work, awk pls :)Fri, 10 May 2013 03:56PM
::  Fri, 10 May 2013 04:46PM
::  Fri, 10 May 2013 04:46PM
:: Yes.Sat, 11 May 2013 09:18PM
exezaid:: bitch pleaseSun, 12 May 2013 05:22PM
ron:: mark, this is awesome!Sun, 12 May 2013 08:57PM
:: Bitch please, you must have a mental diseaseMon, 13 May 2013 12:25AM
:: lving it!Mon, 13 May 2013 07:56AM
IpSeRc:: Simple, Concise, Usefull, PERFECT. Good App.Mon, 13 May 2013 10:04AM
:: Round braces detection is not perfect. It skips the ones in middle if there are 2 braces groups. eg: (ab) (ab), it will detect "ab) (ab" in a round braces. At leas in my case.Mon, 13 May 2013 11:20AM
canners.nl:: Dude: thank you so Much!! Regular Expressions can be such a headache!Mon, 13 May 2013 12:44PM
::  Mon, 13 May 2013 02:28PM
:: Best of the bestTue, 14 May 2013 06:14AM
Anup:: The best I ever useTue, 14 May 2013 06:26AM
Ruben:: Great stuff!!Tue, 14 May 2013 02:49PM
::  Tue, 14 May 2013 04:39PM
::  Tue, 14 May 2013 07:32PM
:: Nice! Where's the "donate" link!Tue, 14 May 2013 07:33PM
h:: hWed, 15 May 2013 02:56PM
::  Wed, 15 May 2013 05:02PM
slevin:: Mind blowing. Missing Objective-c, though!Wed, 15 May 2013 06:35PM
Zayed:: THANKS A LOT!!!!!!!Thu, 16 May 2013 05:35PM
::  Thu, 16 May 2013 06:36PM
:: awesome tool!!! thanks from brazilThu, 16 May 2013 06:38PM
:: goodFri, 17 May 2013 08:25AM
Ad:: Just want I needed.. 2 Thrubms upFri, 17 May 2013 12:55PM
NEO:: Awesome, wish I found this years ago!Fri, 17 May 2013 06:36PM
:: nonsenseSun, 19 May 2013 05:44PM
kichwa_kibov:: lifesaverMon, 20 May 2013 02:53PM
I just...:: jizzed myself. This rocks!Tue, 21 May 2013 03:59AM
fastnfurious:: thank you!Tue, 21 May 2013 04:45AM
@JohnSReid:: Absolutely incredibleTue, 21 May 2013 04:53PM
Menzo:: ThanksWed, 22 May 2013 12:32PM
:: excellent![/mrburns] too bad that there's no brainfuck-support thoughThu, 23 May 2013 08:25AM
::  Thu, 23 May 2013 09:06AM
::  Thu, 23 May 2013 09:06AM
::  Thu, 23 May 2013 02:34PM
Espresso:: you saved my life from Thu, 23 May 2013 02:35PM
Praveen:: Awesome toolFri, 24 May 2013 06:44AM
Damian Blanc:: Thanks a lot, you are great!!!Fri, 24 May 2013 10:11AM
 
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