Regex reverse

Regular expression reverter, generates a string from the given regular expression.

Install

Via Composer

$ composer require niklongstone/regex-reverse:'^0.4.0'

Usage

<?php
require ('vendor/autoload.php');
use RegRev\RegRev;

echo RegRev::generate('\d'); //ouput a random number

For a list of useful regular expression, please visit: Awesome PCRE

Supported expressions

Character classes

Expression	Description	Result
\d	digit	a number
\D	non digit	an alpha char
\w	word	a alphanumeric char
\W	non word	a non alphanumeric char
\s	space	a blank space
\S	non space	a non blank space

Conditional and subgroup

Expression	Description	Example	Result
()	subgroup	(\d\w)+@	97a987Ss@
(a	b)	alternation	(a
*	zero or more	\d*	123502
+	one or more	\d+	32133
?	zero or one	\d?	3
{n} {n,} {n,m}	from n to m times	\w{1,3}	np

Ranges

Expression	Description	Result
[0-9]	range 0 to 9	7
[a-d]	range a to b	b
[0-9c-f]	range 0-9 or c-f	d
[ab5.]	chars in list	b
[^ab5\.]	chars not in list	8

Examples

Expression	Result	Description
2\d{2}-\d{3}-\d{4}	212-686-1234	US phone number
\(\d{3}\)\s\d{7}	(957) 7583632	phone with area code
\w+@\w+\.\D{2,3}	[email protected]	email
www\.\w+\.com	www.h3MEb7k.com	URL
192\.\d{3}.255.\d{1,3}	192.134.255.4	Ip address
\D{3,7}\s\D{2}\s\d{2,5}	mslchvi Rr 861	US address
<TAG\s.*>.*?<\/TAG>	<TAG fNol>ZPXApG</TAG>	TAG
004[0-9] \d{7,10}	0044 75132145	europe phone
SE[1-9]{1}\d{1}\s[A-Z]{2}\d{2}	SE27 GU35	london SE post code
SE[1-9]{1}\d{1}\s[A-Z]{2}\d{2}	SE27 GU35	london SE post code
organi[sz]e	organise or organize	US or UK spelling

Other features

• debug: RegRev::debug() will return an array of messages

Contributing

Please see CONTRIBUTING for details.

Credits

• Nicola Pietroluongo

License

The MIT License (MIT). Please see License File for more information.