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
d2
day
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
 
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&2&6&3

$txt='42 43';

$re1='.*?';	# Non-greedy match on filler
$re2='(?:(?:[0-2]?\\d{1})|(?:[3][01]{1}))(?![\\d])';	# Uninteresting: day
$re3='((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])';	# Day 1
$re4='.*?';	# Non-greedy match on filler
$re5='(\\d+)';	# Integer Number 1

$re=$re1.$re2.$re3.$re4.$re5;
if ($txt =~ m/$re/is)
{
    $day1=$1;
    $int1=$2;
    print "($day1) ($int1) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----
 
 
 
 
Feedback
:: help fulMon, 2 Feb 2015 12:11PM
:: YES IT WORKS Mon, 2 Feb 2015 02:34PM
:: qqqMon, 2 Feb 2015 04:41PM
imblind:: this website is beautifulTue, 3 Feb 2015 10:28AM
:: wowTue, 3 Feb 2015 04:15PM
wheee:: it worksThu, 5 Feb 2015 12:19AM
:: Thank you,Man.Thu, 5 Feb 2015 09:02AM
lmamnsh:: L0v3 1t!Fri, 6 Feb 2015 12:34PM
mukul:: thank you sooo much.. great workFri, 6 Feb 2015 08:20PM
aniston:: if only i had found this before !Sun, 8 Feb 2015 03:45PM
ZizzyDizzyMC:: I love you, I love bacon, I love this site more than either. Mon, 9 Feb 2015 04:18AM
:: Add support for Tickle (TCL) scripts?Tue, 10 Feb 2015 07:56AM
:: wowFri, 13 Feb 2015 01:40AM
::  Tue, 17 Feb 2015 10:43AM
::  Tue, 17 Feb 2015 02:29PM
Nav23:: Thank youTue, 17 Feb 2015 10:16PM
developer:: Simply brilliant! Regex generated in less than 2 minutes... :-) THANK YOU!!!!Wed, 18 Feb 2015 10:14AM
::  Thu, 19 Feb 2015 10:37AM
::  Thu, 19 Feb 2015 01:15PM
::  Thu, 19 Feb 2015 01:15PM
bobbyjo:: The best regular expression builder there is!Thu, 19 Feb 2015 11:48PM
::  Fri, 20 Feb 2015 02:06AM
:: could you plz tell me the step by step process that how to use txt2re?Fri, 20 Feb 2015 11:07AM
:: ddFri, 20 Feb 2015 12:31PM
:: lelFri, 20 Feb 2015 12:31PM
Андрей Викторович::  Sun, 22 Feb 2015 05:32PM
gkxhel:: ffChShZJjJMon, 23 Feb 2015 07:36AM
sanae:: A great toolMon, 23 Feb 2015 02:13PM
alert(/a/):: alert(/a/)Mon, 23 Feb 2015 02:14PM
::  Mon, 23 Feb 2015 02:15PM
::  Mon, 23 Feb 2015 02:15PM
::  Mon, 23 Feb 2015 06:53PM
tako:: I literally have no idea how the fuck to use your toolMon, 23 Feb 2015 08:02PM
silphium:: Verry cool!Tue, 24 Feb 2015 05:59AM
Raviraj:: NiceeeeeeeeeeeeeeeeeeTue, 24 Feb 2015 10:00AM
:: You deserve a medal!Wed, 25 Feb 2015 12:19PM
jared::  Wed, 25 Feb 2015 02:30PM
::  Wed, 25 Feb 2015 04:48PM
::  Wed, 25 Feb 2015 09:19PM
:: WTB setting for grep regex with or without -P and lookbehind + lookaheadThu, 26 Feb 2015 03:10PM
::  Thu, 26 Feb 2015 11:59PM
j2:: This is some good work, You must be a wiz or an insomniacThu, 26 Feb 2015 11:59PM
colin:: Thank you so much, worked perfectly!Fri, 27 Feb 2015 12:17AM
::  Fri, 27 Feb 2015 01:17AM
 
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