txt2re: headache relief for programmers :: regular expression generator

txt

knowing is obsolete :: regular expression generator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:

Select the elements that you want to extract to run regular expression generator:

day

int

var

Feb

word

Feb

month

Feb

day

year

2019

int

2019

ddmmmyyyy

11:Feb:2019

var

This

word

This

var

word

var

word

var

Example

word

Example

string

"This_is_an_Example!"

< Source String

What to click?	extract any integer in this position
	extract this integer (2006) in this position

Perl regular expression program that extracts the selected elements from the entered string:

[Perl]

PHP

Python

Java

Javascript

ColdFusion

C++

Ruby

VBScript

J#.net

C#.net

C++.net

VB.net

 
#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=11:Feb:2019%20%22This%20is%20an%20Example!%22&-6&9999

$txt='11:Feb:2019 "This is an Example!"';

$re1='';	#  1
$re2='.*?';	# Non-greedy match on filler
$re3='(2019)';	# Year 1

$re=$re1.$re2.$re3;
if ($txt =~ m/$re/is)
{
    $1=$1;
    $year1=$2;
    print "($1) ($year1) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----

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