Regular Expressions 101

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Community Patterns

2

Email validation

ECMAScript (JavaScript)
Very crude, but effective email validation.
Submitted by Ryan Oaks - 10 years ago
2

Finding a string along with a few other words

PCRE (PHP <7.3)
no description available
Submitted by A.K. Asik - 10 years ago
2

replace only inner text without tag element

PCRE (PHP <7.3)
no description available
Submitted by A.K. Asik - 10 years ago
2

IPv4

PCRE (PHP <7.3)
no description available
Submitted by Jorge C. - 10 years ago
2

Currency Amount

PCRE (PHP <7.3)
Format: x0.00 Valid: 13.37 4.20 1.00...
Submitted by anonymous - 10 years ago
2

Capture 5 words either side of a match string

Python
no description available
Submitted by anonymous - 10 years ago
2

vk.com wall

PCRE (PHP <7.3)
Parse 123_123 http://vk.com/id82702078?w=wall82702078_3386 http://vk.com/wall82702078_3386 http://vk.com/club34073863?w=wall-34073863_28647 http://vk.com/wall-34073863_28647
Submitted by by xzotix - 10 years ago
2

facebook post embed code

PCRE (PHP <7.3)
This pattern matches to the facebook post embed codes. It matches on each parts of the whole embed code individualy, and matches on the complete embed code either, but it requires minimum a fb-post div.
Submitted by kristian tanacs - 10 years ago
2

Any number between 0 and 10 with 0 or 1 decimal places

PCRE (PHP <7.3)
Matches any number between 0 and 10 (inclusive) with 0 or 1 decimal places. Note that .5 will NOT be matched but 0.5 will. Also 10.X will not be matched, but 10 will.
Submitted by Matt Coubrough - 10 years ago
2

PO Box Address Validation

PCRE (PHP <7.3)
no description available
Submitted by mrferos - 10 years ago
2

price float pattern

ECMAScript (JavaScript)
Checks that value is float format and has two digits at max
Submitted by @jprajani - 10 years ago
2

Extract Fields from Mailexpire

PCRE (PHP <7.3)
Given the HTML of an alias's control panel, apply the XPath "//span[@class='maintext']". The second result returned can be parsed by this regex to yield the most pertinent field names and their values.
Submitted by Crumeniferus - 10 years ago
2

Route Regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

#Set-Cookie:\\s+(?<cookie>[^=]+=[^;]+)#m regex explanation

PCRE (PHP <7.3)
no description available
Submitted by Igor - 10 years ago
2

Extract Metadata

PCRE (PHP <7.3)
no description available
Submitted by kai_desu - 10 years ago
2

Array formatting (serialized)

PCRE (PHP <7.3)
Check for correctly formatted array of this type: array( array('name'=>'War and Peace', 'year'=>1865), array('name'=>'Different Seasons', 'year'=>1982), )
Submitted by oneperfectsunrise - 10 years ago
2

Currency amount without currency symbol

PCRE (PHP <7.3)
Matches numbers that are likely to by financial amount. Does not consider the type of currency.
Submitted by elgehelge - 10 years ago
2

html font to bbcode

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
2

Matches first word

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

paren strip test

PCRE (PHP <7.3)
paren strip test
Submitted by marie bacuno - 10 years ago
1...859860861862863...902

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
(?<timestamp>[\d-]+ [\d:,]+) (?:\[\w+\] )?(?<level>[A-Z]+)(?<message>[\s\S]*)
/
Open regex in editor

Description

test

Submitted by anonymous - 2 years ago