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
day2
int42
_
c _
ws_
4
c 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&10&-9999

$txt='42 43';

$re1='()';	#  1
$re2='.*?';	# Non-greedy match on filler
$re3='.';	# Uninteresting: c
$re4='.*?';	# Non-greedy match on filler
$re5='.';	# Uninteresting: c
$re6='(.)';	# Any Single Character 1

$re=$re1.$re2.$re3.$re4.$re5.$re6;
if ($txt =~ m/$re/is)
{
    $1=$1;
    $c1=$2;
    print "($1) ($c1) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----
 
 
 
 
Feedback
:: Cool tool! Will be better if support vimscript and unicode characterWed, 2 Jul 2014 07:49PM
milos:: I'm missing the one for BASHThu, 3 Jul 2014 03:19PM
:: ultimate life saver at work!Thu, 3 Jul 2014 04:42PM
好:: 中国网友Fri, 4 Jul 2014 03:22AM
#Love:: Many Wow!Fri, 4 Jul 2014 03:23PM
:: categories: jekyll update ---Fri, 4 Jul 2014 08:05PM
china:: goodMon, 7 Jul 2014 04:56AM
:: From India with loveTue, 8 Jul 2014 01:41PM
china:: Simply don't understand -- 根本看不懂啊 ---Wed, 9 Jul 2014 06:19AM
:: loved itWed, 9 Jul 2014 09:42AM
n1nja:: awesome!Wed, 9 Jul 2014 01:08PM
:: really cool site) Thank you for it!Wed, 9 Jul 2014 08:50PM
:: ok........Thu, 10 Jul 2014 11:50AM
Unixbobo:: Great handy toolSat, 12 Jul 2014 02:27PM
dk:: Very niceSat, 12 Jul 2014 04:56PM
spam:: spamMon, 14 Jul 2014 12:28PM
:: xxs can break this site Mon, 14 Jul 2014 12:40PM
qt_qiu:: thanks for your helpMon, 14 Jul 2014 02:17PM
@ferga71:: Only GREAT!!!Mon, 14 Jul 2014 06:24PM
:: not getting regex for (abc\abc\abc) here string is repeatativeTue, 15 Jul 2014 07:48AM
:: anybody help meTue, 15 Jul 2014 07:48AM
why:: do you have trouble???Tue, 15 Jul 2014 01:29PM
:: its so simple^^Tue, 15 Jul 2014 01:29PM
xiaolanmao:: save my life!Wed, 16 Jul 2014 05:46AM
sinbad:: very good But it does not support simplified ChineseWed, 16 Jul 2014 08:28AM
:: you are a genius!Wed, 16 Jul 2014 01:42PM
Dude:: I mean, really awesome work! Thanks so much!Wed, 16 Jul 2014 07:45PM
nope:: :::Thu, 17 Jul 2014 10:02AM
:: awesome tool :)Thu, 17 Jul 2014 10:37AM
:: amazinThu, 17 Jul 2014 09:30PM
:: yoFri, 18 Jul 2014 07:57AM
binesh:: superbSat, 19 Jul 2014 02:07PM
fuzzdoug:: holy crap! just getting started and now i feel like i'm cheating! hahaWed, 23 Jul 2014 01:24PM
:: Great tool men , is the source code avilabale online ? Thu, 24 Jul 2014 07:13AM
Yois:: Pretty good!!!Thu, 24 Jul 2014 08:35AM
FAILURES:: Lol at all the failed attempts at SQL injection. Do you think this guy is a retard?Thu, 24 Jul 2014 01:14PM
:: good!Thu, 24 Jul 2014 07:32PM
mvrk:: Wow.. everyone should try this once. TIMTODIFri, 25 Jul 2014 08:18AM
jrich:: lmfao. check out all those dropped tablesFri, 25 Jul 2014 05:31PM
:: LoL at the person who tried to inject sql hereSat, 26 Jul 2014 04:53PM
:: Meka Patta Ooy. Maara Lesiy. Ela Kollek aaa...Sun, 27 Jul 2014 12:57AM
:: coolSun, 27 Jul 2014 01:27AM
::  Mon, 28 Jul 2014 08:46AM
Da Vinci:: Really artistic talentMon, 28 Jul 2014 10:49AM
 
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