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
 
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-c++.php3?s=42%2043&2&11&-6

#include <stdlib.h>
#include <string>
#include <iostream>
#include <pme.h>

int main()
{
  std::string txt="42 43";

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

  PME re(re1+re2+re3+re4,"gims");
  int n;
  if ((n=re.match(txt))>0)
  {
      std::string d1=re[1].c_str();
      std::string int1=re[2].c_str();
      std::cout << "("<<d1<<")"<<"("<<int1<<")"<< std::endl;
  }
}

//-----
// C++ does not provide a regular expression feature as standard.
//
// To run this code you will need to first download and install
// the PCRE library from http://www.pcre.org/ and 
// the PME library from ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/Contrib/
// 
// Note that on Linux systems PCRE is often already installed in /usr/lib/libpcre* or /usr/local/lib/libpcre*. 
//
// Compile and run on Unix using 
// # c++ x.cpp -lpme -lpcre 
// # ./a.out
// 
 
 
 
 
Feedback
:: First LastTue, 18 Nov 2014 03:29PM
taht:: si loocThu, 20 Nov 2014 10:54AM
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
Eased my work:: very very very good tool. very userfullSat, 22 Nov 2014 10:22PM
Ashesh:: Awesome!Sun, 23 Nov 2014 03:32AM
Tiny:: this is a good toolSun, 23 Nov 2014 05:13PM
KARL:: I AM KARL! KING OF DUCKS!Mon, 24 Nov 2014 01:42PM
Ravi:: I am kind of new to Regex - soon after writing few, I was thinking about a tool - ....and its already here.... super cooooool!Tue, 25 Nov 2014 01:48AM
rkelrygnt:: dqnWmrOhxMTue, 25 Nov 2014 09:08PM
RegExp_Fool:: THANK'S !!! Best Tool for regexp ever!Thu, 27 Nov 2014 01:45AM
Cristian:: Thank you very much! This page made my life easier! Thank you.Thu, 27 Nov 2014 09:08AM
:: love it!Thu, 27 Nov 2014 01:35PM
noName:: %3Cscript%3Ealert%28%27hello%27%29%3C%2fscript%3EThu, 27 Nov 2014 02:37PM
:: Awesome! Thanks!!Sat, 29 Nov 2014 03:33PM
:: there is '#include ' in a C++11 by the way.Tue, 2 Dec 2014 03:45PM
:: regexTue, 2 Dec 2014 03:45PM
:: in angle brackets...Tue, 2 Dec 2014 03:45PM
Arun Kumar:: This tool is really Awesome.. Good Work!!! Thank you!!Wed, 3 Dec 2014 08:18AM
kostas:: Your tool is awesome!Fri, 5 Dec 2014 11:53AM
:: oh snizzzzleFri, 5 Dec 2014 04:54PM
Thankful:: Thank you!Fri, 5 Dec 2014 06:23PM
Me:: COOOOLFri, 12 Dec 2014 12:20PM
Ashesh:: Amazing ">Sat, 13 Dec 2014 02:21PM
:: I love this system, but normal sentence won't auto generate.Sun, 14 Dec 2014 09:56AM
Alex:: Best tool i have ever seen for this sort of jobs !Mon, 15 Dec 2014 11:18PM
Justin:: NoiceTue, 16 Dec 2014 06:08AM
Ǭ:: coolTue, 16 Dec 2014 06:20AM
:: Awesome tool!!!!!Tue, 16 Dec 2014 08:32AM
Anil:: Awesome!! Just what I wanted. Great job. Thank you !!!Tue, 16 Dec 2014 09:23AM
dsds:: PO BoxWed, 17 Dec 2014 11:29AM
::  Wed, 17 Dec 2014 10:44PM
::  Wed, 17 Dec 2014 10:44PM
xerxe6:: coolThu, 18 Dec 2014 03:06PM
:: stupid cuntsFri, 19 Dec 2014 02:04PM
:: Goodlike Tool!Fri, 19 Dec 2014 04:13PM
:: Godlike Tool!Fri, 19 Dec 2014 04:13PM
:: This tool is irreplaceable. Thank you.Fri, 19 Dec 2014 05:55PM
pnyayqquayw:: SfXibsZefmNNGkMon, 22 Dec 2014 12:39AM
::  Mon, 22 Dec 2014 05:29AM
859::  Mon, 22 Dec 2014 08:50AM
859::  Mon, 22 Dec 2014 08:50AM
dfw:: fMon, 22 Dec 2014 09:58AM
Anthelion:: Great tool! Cheers!Mon, 22 Dec 2014 12:14PM
 
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