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
 2
d2
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
 
3Java 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-java.php3?s=42%2043&2&-5&-11 

import java.util.regex.*;

class Main
{
  public static void main(String[] args)
  {
    String txt="42 43";

    String re1=".*?";	// Non-greedy match on filler
    String re2="(2)";	// Any Single Character 1
    String re3="( )";	// White Space 1
    String re4="(\\d+)";	// Integer Number 1

    Pattern p = Pattern.compile(re1+re2+re3+re4,Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
    Matcher m = p.matcher(txt);
    if (m.find())
    {
        String c1=m.group(1);
        String ws1=m.group(2);
        String int1=m.group(3);
        System.out.print("("+c1.toString()+")"+"("+ws1.toString()+")"+"("+int1.toString()+")"+"\n");
    }
  }
}

//-----
// This code is for use with Sun's Java VM - see http://java.sun.com/ for downloads. 
//
// Paste the code into a new java application or a file called 'Main.java'
//
// Compile and run in Unix using:
// # javac Main.java 
// # java Main 
//
 
 
 
 
Feedback
:: alert("yeah")Mon, 29 Jun 2015 11:50PM
:: function(){alert("yeah")}();Mon, 29 Jun 2015 11:51PM
:: function(){alert("yeah")}();Mon, 29 Jun 2015 11:51PM
::  Tue, 30 Jun 2015 10:58AM
::  Tue, 30 Jun 2015 10:58AM
::  Tue, 30 Jun 2015 11:09AM
::  Tue, 30 Jun 2015 01:13PM
::  Tue, 30 Jun 2015 03:55PM
::  Tue, 30 Jun 2015 04:59PM
:: sysout("yeah right");Tue, 30 Jun 2015 04:59PM
zakky:: println("this rules thanks :)");Tue, 30 Jun 2015 05:27PM
::  Tue, 30 Jun 2015 05:39PM
::  Wed, 1 Jul 2015 03:51AM
::  Wed, 1 Jul 2015 09:52AM
::  Thu, 2 Jul 2015 01:38AM
::  Thu, 2 Jul 2015 04:07AM
:: javaThu, 2 Jul 2015 05:02AM
::  Thu, 2 Jul 2015 10:21AM
vmp:: thats cool, big thx^^Thu, 2 Jul 2015 03:03PM
::  Fri, 3 Jul 2015 01:53AM
::  Fri, 3 Jul 2015 01:53AM
::  Fri, 3 Jul 2015 06:17AM
::  Fri, 3 Jul 2015 06:17AM
::  Fri, 3 Jul 2015 06:17AM
:: people trying to hack this page up in hereFri, 3 Jul 2015 07:31AM
:: GreatFri, 3 Jul 2015 12:09PM
:: alert('haha');Fri, 3 Jul 2015 06:23PM
::  alert("yeah")Fri, 3 Jul 2015 06:24PM
:: println("this rules thanks :)");Fri, 3 Jul 2015 06:24PM
::  Sun, 5 Jul 2015 09:54AM
::  Sun, 5 Jul 2015 03:58PM
::  Sun, 5 Jul 2015 07:53PM
::  Mon, 6 Jul 2015 08:31AM
:: alert('Haha');Mon, 6 Jul 2015 08:32AM
::  Mon, 6 Jul 2015 08:52AM
:: Thank you very much!!!!!!!!!!Mon, 6 Jul 2015 09:20AM
::  Mon, 6 Jul 2015 12:02PM
::  Mon, 6 Jul 2015 12:39PM
::  Mon, 6 Jul 2015 01:49PM
::  Mon, 6 Jul 2015 01:50PM
:: LOL look at all these script kiddies trying to do XSS using javascriptMon, 6 Jul 2015 01:50PM
:: Cool add pls generator regex for django urls. I will be happyMon, 6 Jul 2015 05:14PM
:: alert()Mon, 6 Jul 2015 05:35PM
:: alert("Test");Mon, 6 Jul 2015 05:35PM
 
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