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
 4
d4
2
c 2
d2
day2
int42
_
c 
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
 
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&-13&10 

import java.util.regex.*;

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

    String re1="(4)";	// Any Single Character 1
    String re2=".*?";	// Non-greedy match on filler
    String re3=".";	// Uninteresting: c
    String re4=".*?";	// Non-greedy match on filler
    String re5="(.)";	// Any Single Character 2
    String re6="(\\d+)";	// Integer Number 1

    Pattern p = Pattern.compile(re1+re2+re3+re4+re5+re6,Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
    Matcher m = p.matcher(txt);
    if (m.find())
    {
        String c1=m.group(1);
        String c2=m.group(2);
        String int1=m.group(3);
        System.out.print("("+c1.toString()+")"+"("+c2.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
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Андрей Викторович::  Sat, 18 Apr 2015 11:20PM
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TANKS::  Patton ThanksMon, 20 Apr 2015 12:04PM
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:: thanks god%>_Tue, 21 Apr 2015 03:54AM
yarak:: yarakTue, 21 Apr 2015 05:36AM
:: sampleTue, 21 Apr 2015 11:03AM
Андрей Викторович::  Tue, 21 Apr 2015 04:56PM
:: jklWed, 22 Apr 2015 05:50AM
:: j.;.hglWed, 22 Apr 2015 05:50AM
:: where is regular expression generated???Wed, 22 Apr 2015 05:51AM
:: ghjgfhfjghWed, 22 Apr 2015 11:41AM
:: hhhhhhhhhhhhhhhhhhhhhhfghbnvmnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmWed, 22 Apr 2015 11:41AM
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:: testThu, 23 Apr 2015 09:07AM
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Apache/2.4.4 (Unix)::  Thu, 23 Apr 2015 11:49AM
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llll:: llThu, 23 Apr 2015 04:42PM
client=DynGate::  Fri, 24 Apr 2015 11:08AM
EFWEF:: FWEFWEFFri, 24 Apr 2015 04:02PM
http:: localhostFri, 24 Apr 2015 06:08PM
Андрей Викторович::  Fri, 24 Apr 2015 08:44PM
::  Sat, 25 Apr 2015 03:56AM
tyrone:: ayy lmaoSun, 26 Apr 2015 04:51AM
test:: alert('test');Sun, 26 Apr 2015 07:13AM
::  Sun, 26 Apr 2015 07:40AM
::  Sun, 26 Apr 2015 11:31AM
:: This is that good shitSun, 26 Apr 2015 05:26PM
oh:: niceMon, 27 Apr 2015 01:13AM
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