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-perl.php3?s=42%2043&2&-10&-9999

$txt='42 43';

$re1='()';	#  1
$re2='.*?';	# Non-greedy match on filler
$re3='( )';	# Any Single Character 1
$re4='(\\d+)';	# Integer Number 1

$re=$re1.$re2.$re3.$re4;
if ($txt =~ m/$re/is)
{
    $1=$1;
    $c1=$2;
    $int1=$3;
    print "($1) ($c1) ($int1) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----
 
 
 
 
Feedback
Alicia:: Amazing tool, just what i was looking for!Sun, 16 Nov 2014 11:22PM
:: LOVE U DUDE! Mon, 17 Nov 2014 09:42AM
:: 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
 
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