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 
d4
2
c 2
d2
day2
int42
_
c _
ws_
4
 4
d4
3
c 3
d3
day3
int43
< Source String
What to click?  extract any integer in this position
extract this integer (2006) in this position
 
3Perl 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 
 
#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=42%2043&13&-14

$txt='42 43';

$re1='(.)';	# Any Single Character 1
$re2='.*?';	# Non-greedy match on filler
$re3='(4)';	# Any Single Character 2

$re=$re1.$re2.$re3;
if ($txt =~ m/$re/is)
{
    $c1=$1;
    $c2=$2;
    print "($c1) ($c2) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----
 
 
 
 
Feedback
:: Awesome and save a lot time Wed, 7 Jan 2015 11:04AM
sangram:: Excellent utility Thu, 8 Jan 2015 10:48AM
wow:: coolMon, 12 Jan 2015 05:30PM
Alex:: you saved my life dear sir :DTue, 13 Jan 2015 10:51AM
Drew:: Thank you. This is brilliantTue, 13 Jan 2015 11:52PM
Bob:: Bug? Last } missing: {{test}} Wed, 14 Jan 2015 09:22AM
sang:: excellentWed, 14 Jan 2015 11:59AM
sainesh:: ExcellentThu, 15 Jan 2015 09:55AM
IS terror :: Excellent !!!Thu, 15 Jan 2015 10:35AM
Mike Conroy:: Thank you! This is really very helpful and something I would've loved to have the spare time to write. As it is, it just saved me a ton of time. Thu, 15 Jan 2015 09:46PM
Gerrit Barrere:: Wow, what a brilliant utility! I'll be back next time I have to grunt out an RE. Thank you!!Fri, 16 Jan 2015 07:57PM
insufficient:: it matchs you want and also matchs you don't wantSat, 17 Jan 2015 04:41PM
vdnrtiwaw:: ZzHIAculMon, 19 Jan 2015 02:04PM
egypt:: شكرا :) thank youMon, 19 Jan 2015 05:46PM
::  Tue, 20 Jan 2015 03:53AM
:: Great tool, would it be possible to do multi-line version that would look for overlaps example would be line1 : 20/Jan-2015 "This is an Example!", line2 24/APR-2011 "This tool is awesome" Tue, 20 Jan 2015 09:20AM
:: Great tool! Can you match paragraphs?Tue, 20 Jan 2015 10:45AM
:: Saved me a lot of time!Tue, 20 Jan 2015 01:01PM
mike:: this thing is awesome, thank you!Tue, 20 Jan 2015 07:25PM
mike:: this thing is awesome, thank you!Tue, 20 Jan 2015 07:25PM
::  Wed, 21 Jan 2015 12:48PM
mfzwiht:: lsHsuSThThu, 22 Jan 2015 11:38AM
::  Thu, 22 Jan 2015 01:23PM
::  Fri, 23 Jan 2015 05:59AM
:: beauty! you have a big brain.Fri, 23 Jan 2015 06:00AM
[3344]::  Fri, 23 Jan 2015 06:57AM
::  Fri, 23 Jan 2015 07:39AM
::  Fri, 23 Jan 2015 08:52AM
Conan:: Thank you very much .your tool is awesome!Fri, 23 Jan 2015 03:02PM
Jonas:: Amazing! Helped me a lot! Thank you very much :DFri, 23 Jan 2015 08:07PM
24131::  Fri, 23 Jan 2015 08:58PM
A33333::  Sat, 24 Jan 2015 03:16AM
asdfasdf::  another testSat, 24 Jan 2015 12:46PM
minundb:: һSun, 25 Jan 2015 01:02PM
::  Sun, 25 Jan 2015 09:00PM
console:: logMon, 26 Jan 2015 07:35AM
SongYY:: love it!Thanks!Mon, 26 Jan 2015 03:15PM
:: 40;"20141209";"20141209";"46097";"96864211848019000200000019";146.00;"PAULINA FLORIAN DŁUGIE 415 38-530 ZARSZYN ";"ABONAMENT INTERNETOWY OPŁATA AKTYWACYJNA"Wed, 28 Jan 2015 10:22AM
::  Thu, 29 Jan 2015 12:38PM
:: Good Job ,man!Thu, 29 Jan 2015 12:39PM
ゆりあ:: This is something, manThu, 29 Jan 2015 12:40PM
Tiosan:: absolutely incredible; thank you so much!Thu, 29 Jan 2015 02:53PM
:: i love youThu, 29 Jan 2015 05:00PM
::  Thu, 29 Jan 2015 05:00PM
 
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