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
_
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
 
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&-6 -->

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

      var re1='.*?';	// Non-greedy match on filler
      var re2='(2)';	// Any Single Digit 1
      var re3='.*?';	// Non-greedy match on filler
      var re4='(\\d+)';	// Integer Number 1

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

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