Regular Expressions 101

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Community Patterns

3

Invalid Unicode characters in XML

PCRE (PHP <7.3)
This pattern matches all the Unicode characters that are not allowed in an XML document. It's based on the Wikipedia article "Valid characters in XML".
Submitted by Aaron Wells - 9 years ago
3

everything that doesn't match .gitignore at the end

PCRE (PHP <7.3)
must match: selection/nl/example.xml selection/example.xml selection/blabla.txt selection/es/ ...
Submitted by anonymous - 10 years ago
3

Get Nth value (3 times)

PCRE (PHP <7.3)
capture Nth character from string, 3 times
Submitted by K. - 11 years ago
3

split URL into location-resource-params

PCRE (PHP <7.3)
Extract resource location, name and query parameters from a URL
Submitted by cebence - 10 years ago
3

UK Postcode Checker

PCRE (PHP <7.3)
This is an improvement of the very good tH9mQ1/1. It did not pickup on the first two postcodes found here: //http://en.wikipedia.org/wiki/Postcodes_in_the_United_Kingdom
Submitted by Flexander - 10 years ago
0

utf-8 language

PCRE (PHP <7.3)
this regex is support for all languages
Submitted by Jigar Dhaduk - 9 years ago
1

IP Addresses

PCRE (PHP <7.3)
Matches IP Addresses with minimum false positives
Submitted by Austin-Hanson - 9 years ago
3

Prime number regex

PCRE (PHP <7.3)
no description available
Submitted by originally "Abigail", comp.lang.perl.misc - 11 years ago
3

split sentence regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
3

xferlog parser (proftpd, ftpd, vsftpd, etc..)

PCRE (PHP <7.3)
This pulls out all the fields from a standard xferlog format log. Format specified here http://www.castaglia.org/proftpd/doc/xferlog.html
Submitted by Robin Kearney - 10 years ago
3

UUID

PCRE (PHP <7.3)
no description available
Submitted by Jason - 10 years ago
3

Finds dates lacking period before month (Norwegian)

PCRE (PHP <7.3)
no description available
Submitted by EB - 10 years ago
3

Get URL parameters

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
3

Alternative Capture Country Codes

PCRE (PHP <7.3)
no description available
Submitted by Branden - 10 years ago
3

How do I write a Regex to inspect Cisco Interfaces

PCRE (PHP <7.3)
I am asking for help in writing a regular expression to shorten this expression. I need the string below to search every interface within the range of 1 -24 to validate the configuration. If one interface does not have the required configuration then the expression fails. interface GigabitEtherne...
Submitted by Pirates - 9 years ago
3

images url match in text

PCRE (PHP <7.3)
no description available
Submitted by Redfern.89 - 9 years ago
3

Div content

PCRE (PHP <7.3)
no description available
Submitted by mohammadsaleh - 9 years ago
3

Validate Base64 with new lines (e.g. GPG base64 messages)

PCRE (PHP <7.3)
This regular expression validates if given string is formatted in Base64, additional it accepts new lines, since payload can have new lines in it.
Submitted by wpodgorski - 9 years ago
3

Select all number greater than 36

PCRE (PHP <7.3)
no description available
Submitted by Mansoor - 9 years ago
3

Extract All Steam Keys

PCRE (PHP <7.3)
Extract all Steam Keys from a Given String
Submitted by Ashesh Kumar - 9 years ago
1...466467468469470...478

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^Parameter #\d+ \[ <(?:optional|required)> ([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?:\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*)(?: or NULL)? \$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?: = NULL)? \]$
/
gm
Open regex in editor

Description

See http://www.php.net/manual/en/reflectionparameter.tostring.php

Submitted by Erin Millard - 12 years ago