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
d
day2
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
 
3Javascript 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-javascript.php3?s=42%2043&2&-5&6 -->

<html>
  <body>
    <script language=javascript>
      var txt='42 43';

      var re1='.*?';	// Non-greedy match on filler
      var re2='\\d';	// Uninteresting: d
      var re3='(\\d)';	// Any Single Digit 1
      var re4='( )';	// White Space 1
      var re5='(\\d+)';	// Integer Number 1

      var p = new RegExp(re1+re2+re3+re4+re5,["i"]);
      var m = p.exec(txt);
      if (m != null)
      {
          var d1=m[1];
          var ws1=m[2];
          var int1=m[3];
          document.write("("+d1.replace(/</,"&lt;")+")"+"("+ws1.replace(/</,"&lt;")+")"+"("+int1.replace(/</,"&lt;")+")"+"\n");
      }
    </script>
  </body>
</html>

<!-- -->
<!-- Paste the code into a file that can be served by your web server -->
<!-- or into a local file that can be read by your browser -->
<!-- -->
 
 
 
 
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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