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
Atrinax:: Thanks a lot! You made my day!Thu, 14 Aug 2014 07:28AM
:: This is awsome Thu, 14 Aug 2014 04:54PM
:: superThu, 14 Aug 2014 08:09PM
:: excellentFri, 15 Aug 2014 09:30AM
:: Thanks a lot ! Helped me out with a very complex file-content validation !!Fri, 15 Aug 2014 01:49PM
alert(lol):: alert(lol)Fri, 15 Aug 2014 02:26PM
thanks!:: you rock dude.Fri, 15 Aug 2014 11:17PM
:: or 1=1Mon, 18 Aug 2014 04:09PM
Sanic:: Brilliant, thanks a lot mate.Tue, 19 Aug 2014 07:29AM
:: haxlolorlaoflaoTue, 19 Aug 2014 12:45PM
:: thxWed, 20 Aug 2014 10:38AM
I :: LoveWed, 20 Aug 2014 01:26PM
sadface:: no tab or newline :'(Wed, 20 Aug 2014 03:13PM
Webmonstr:: Yes!!!!!!!!!! Super!!! I love you nowWed, 20 Aug 2014 04:43PM
:: Nice! Shame it doesn't output the actual expression, but so helpful. Thx!Wed, 20 Aug 2014 06:57PM
nekrozon:: best regex expression generator out there!! Add optional character links too?Wed, 20 Aug 2014 08:00PM
daniel:: please add the actual expression too. Thx!!Thu, 21 Aug 2014 11:32AM
venu:: i am unable to run java class generated it wont print any thing when i choose 21-JUL-2014 pattern pls helpThu, 21 Aug 2014 02:19PM
venu:: i am unable to run java class generated it wont print any thing when i choose 21-JUL-2014 pattern pls helpThu, 21 Aug 2014 02:19PM
venu:: yep !! it worked sorry i clicked on wrong one ..Thanks a lot !!Thu, 21 Aug 2014 02:21PM
Paul:: Awesome! took some playing around with afterwards to perfect but this is great!Thu, 21 Aug 2014 05:03PM
chiefmega:: you saved my hairFri, 22 Aug 2014 02:06AM
zellikleri.com:: niceFri, 22 Aug 2014 07:26PM
:: exampleSat, 23 Aug 2014 03:05AM
Hesham:: I need to match single char string to one of 4 symbols: +-/* only. how?Sat, 23 Aug 2014 04:54PM
joeSchmoe:: this is fantastic, thanksTue, 26 Aug 2014 01:53AM
chris:: This is absolutely incredible. Amazing work, well done.Tue, 26 Aug 2014 10:11AM
Guru:: Well DoneTue, 26 Aug 2014 12:11PM
Samir:: thank you, very helpful too. place some ads here, i don't mind seeing ads if the site is helpfulTue, 26 Aug 2014 08:59PM
Khalith:: AwesomeWed, 27 Aug 2014 03:21PM
mvr:: you are a god !Thu, 28 Aug 2014 03:47PM
mvr:: tip: in python, you can put r before a string and then you don't have to escape anything, e.g. r'(\d+)'Thu, 28 Aug 2014 04:09PM
:: very good toolThu, 28 Aug 2014 08:42PM
::  Thu, 28 Aug 2014 09:31PM
::  Fri, 29 Aug 2014 06:47AM
:: /frontTestShopping/product/Fri, 29 Aug 2014 09:12AM
::  Fri, 29 Aug 2014 11:26AM
::  Fri, 29 Aug 2014 04:25PM
la_magia:: moooooy bueno!! :)Fri, 29 Aug 2014 06:35PM
rcepyy:: pToQgTtkFri, 29 Aug 2014 09:24PM
M1ndCr4ck:: gracias por esto me a ayudado mucho slds.Sun, 31 Aug 2014 04:29AM
::  Sun, 31 Aug 2014 06:14PM
::  Mon, 1 Sep 2014 08:21AM
::  Tue, 2 Sep 2014 03:40AM
 
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