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
day
int42
_
c _
_
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&3&-5

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="(?:(?:[0-2]?\\d{1})|(?:[3][01]{1}))(?![\\d])";	// Uninteresting: day
      string re3="((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";	// Day 1
      string re4="( )";	// White Space 1
      string re5="(\\d+)";	// Integer Number 1

      Regex r = new Regex(re1+re2+re3+re4+re5,RegexOptions.IgnoreCase|RegexOptions.Singleline);
      Match m = r.Match(txt);
      if (m.Success)
      {
            String day1=m.Groups[1].ToString();
            String ws1=m.Groups[2].ToString();
            String int1=m.Groups[3].ToString();
            Console.Write("("+day1.ToString()+")"+"("+ws1.ToString()+")"+"("+int1.ToString()+")"+"\n");
      }
      Console.ReadLine();
    }
  }
}

//-----
// Paste the code into a new Console Application
//-----
 
 
 
 
Feedback
:: I would like to see a feature to give a generic regex expression instead of a whole script. I also second the request to submit a list of strings and return a single regex to match them all.Mon, 3 Nov 2014 08:24PM
:: Amazing!Tue, 4 Nov 2014 01:15AM
:: cool!Tue, 4 Nov 2014 01:06PM
:: This will come in handy.Fri, 7 Nov 2014 02:25PM
anon:: I second the feature request for a generic regex rather than a whole script. As great as it is having the whole script there, just the regex would be ideal sometimes.Fri, 7 Nov 2014 04:03PM
Jason:: Love to see what people have already suggested/requested: unix/linux utilities sed and grepFri, 7 Nov 2014 09:23PM
Андрей Викторович::  Mon, 10 Nov 2014 08:13PM
Larry:: Thank youMon, 10 Nov 2014 09:05PM
kdnhkb:: VPVAuhBEkzPzcWQhcTwTue, 11 Nov 2014 06:48AM
:: 13152027278Tue, 11 Nov 2014 09:40AM
Sporri:: Awesome tool! Thank you.Tue, 11 Nov 2014 11:50AM
K Neeraj Lal:: Awesome tool!!!Wed, 12 Nov 2014 08:21AM
::  Wed, 12 Nov 2014 09:12AM
:: gud oneWed, 12 Nov 2014 11:41AM
::  Wed, 12 Nov 2014 11:11PM
python::  Thu, 13 Nov 2014 09:02AM
::  Thu, 13 Nov 2014 11:08AM
Anon:: Great tool! Thank YouThu, 13 Nov 2014 09:55PM
Anon:: what about repeating structures? like 4%,6%,8%,9%,...,n% for which the regex is ^\d+%(?:,\d+%)+$Fri, 14 Nov 2014 01:42PM
:: ngentotFri, 14 Nov 2014 05:21PM
:: ah ah ah ah Fri, 14 Nov 2014 05:21PM
Андрей Викторович::  Fri, 14 Nov 2014 07:56PM
timtjtim:: Wow! Saved so much time!Fri, 14 Nov 2014 09:25PM
::  Sun, 16 Nov 2014 04:21PM
anon:: Dang!!!Sun, 16 Nov 2014 04:21PM
agxyokc:: BpcLNpZfPzCmWWSun, 16 Nov 2014 09:42PM
Alicia:: Amazing tool, just what i was looking for!Sun, 16 Nov 2014 11:22PM
:: LOVE U DUDE! Mon, 17 Nov 2014 09:42AM
:: First LastTue, 18 Nov 2014 03:29PM
taht:: si loocThu, 20 Nov 2014 10:54AM
evol:: amilThu, 20 Nov 2014 10:54AM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
This rocks my socks'"!:: Very good and a big'o! variety"sh`Thu, 20 Nov 2014 02:21PM
Thanks A Million:: This works great. I used extract function to replace the txt variable. Works like a charm. Thanks LawrenceThu, 20 Nov 2014 10:01PM
venk13:: In-f*cking-sane!Fri, 21 Nov 2014 10:18AM
Андрей Викторович::  Fri, 21 Nov 2014 10:18AM
Eased my work:: very very very good tool. very userfullSat, 22 Nov 2014 10:22PM
Ashesh:: Awesome!Sun, 23 Nov 2014 03:32AM
vvhnynd:: gJVmuZxKcPNVPcSun, 23 Nov 2014 05:41AM
 
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