Regular Expressions 101

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Community Patterns

2

Unicode username

ECMAScript (JavaScript)
Unicode user name check with som allowed non-alhanum characters
Submitted by Martin Bucko - 9 years ago
2

Portuguese phone numbers

ECMAScript (JavaScript)
Matches Portuguese phone numbers.
Submitted by github.com/luis140219 - 9 years ago
2

remove texto entre <>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

IPv4 Validator

Python
no description available
Submitted by dannyo - 9 years ago
2

Apache2 Access Log parsing

PCRE (PHP <7.3)
This breaks down an Apache2 access log into 9 parts. I use this for analyzing content in my webserver logs.
Submitted by Kevin Loverde - 9 years ago
2

Email Domain Regex

PCRE (PHP <7.3)
A pattern to match the email domain suffix
Submitted by doug - 9 years ago
2

find numbers with 2 commas

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

IP with Subnet

PCRE (PHP <7.3)
IP address with Subnet
Submitted by Matt Masse - 9 years ago
2

Date between 1950 and 2050

ECMAScript (JavaScript)
Date in format MM-dd-yyyy
Submitted by Daniel Quijada - 9 years ago
2

SED

Python
no description available
Submitted by anonymous - 9 years ago
2

notepad++

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

replace any character with more than two occurrence

ECMAScript (JavaScript)
no description available
Submitted by papky - 9 years ago
2

Date search

PCRE (PHP <7.3)
Search for three different types of dates in spanish format
Submitted by Agustín Bouillet - 9 years ago
2

Search src from <img> tag

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

HTML comments

PCRE (PHP <7.3)
Groups HTML comments that are between .
Submitted by Greaka - 9 years ago
2

word before :

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
2

Case-sensitive keyword matching.

PCRE (PHP <7.3)
Case-sensitive matching of a keyword, where the keyword is not a substring of other words.
Submitted by Norskov - 9 years ago
2

BRAZILIAN VEHICLE PLATE

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

fffs

ECMAScript (JavaScript)
dfsfd
Submitted by anonymous - 9 years ago
2

US datetime

ECMAScript (JavaScript)
Validates a US mm-dd-yy(yy) with an optional hh:mm:ss time.
Submitted by anonymous - 9 years ago
1...857858859860861...900

Community Library Entry

2

Regular Expression
ECMAScript (JavaScript)

/
^\d+(?:[.]\d{1,2}|$)$
/
Open regex in editor

Description

Checks that value is float format and has two digits at max

Submitted by @jprajani - 10 years ago