Regular Expressions 101

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Community Patterns

2

SO “00000000000000000000000000000” is match to Regex “^[1-9]|0$” in .N

PCRE (PHP <7.3)
Test regex for question.
Submitted by pwas - 10 years ago
2

log trillian

Python
no description available
Submitted by NTP-[SADAS] - 10 years ago
2

PAN verification regex

PCRE (PHP <7.3)
Regex to verify PAN in India
Submitted by Anirban - 10 years ago
2

donotbackup

PCRE (PHP <7.3)
finding directories w/ donotbackup
Submitted by anonymous - 10 years ago
2

Regular Expression For Date

ECMAScript (JavaScript)
Regular expression for asp:RegularExpressionValidator with format MMddyy. i have Resolved leap year issue as well as month ending day issue with Regular expression
Submitted by Priyanka Khadilkar - 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

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

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

paren strip test

PCRE (PHP <7.3)
paren strip test
Submitted by marie bacuno - 10 years ago
2

YouTube Embed Video & Playlist from URL

ECMAScript (JavaScript)
It gets the playlistID and the videoID to conform the embed URL from the video URL
Submitted by @rubenlopezgea - 10 years ago
2

Dice Regex with Modifier

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

selectin multiple image pattern

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

filter noreply-ish e-mail addresses

PCRE (PHP <7.3)
no reply e-mail addresses don't want to receive a reply. Unfortunately, not all no reply e-mail addresses are formatted like noreply@domain.tld, so in order to catch as many of them as possible I made this regular expression which matches many forms of no reply e-mail addresses.
Submitted by anonymous - 10 years ago
2

Match domain part in Http(s) URLs

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

Dim name

PCRE (PHP <7.3)
Gets all variable names
Submitted by Tyrone Moodley - 10 years ago
2

File filtering by extension

PCRE (PHP <7.3)
You would like to scan a folder containing many files (Example : *.pb, *.pbi, *.pbp and *.pbf) and you are interested only by two type of files (example : *.pb and *.pbi). This expression will match only if extension match (in this case *.pb and *.pbi) otherwise no reaction. Feel free to change file...
Submitted by StarBootics - 10 years ago
2

Extract info from anime filename

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

Gentoo atom parsing

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

suricata OSSIM regex-1

Python
no description available
Submitted by anonymous - 10 years ago
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Community Library Entry

3

Regular Expression
ECMAScript (JavaScript)

/
^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$
/
g
Open regex in editor

Description

validate an IP v4

Submitted by harimambura - 9 years ago