Regular Expressions 101

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Community Patterns

1

IP v4 format validation

PCRE (PHP <7.3)
Valid 0.0.0.0 1.1.1.1 101.101.101.101 255.255.255.255 156.0.1.10...
Submitted by NexRezzo - 10 years ago
1

Indian Phone Numbers!

PCRE (PHP <7.3)
This is not supported in Javascript! Works well for php, python. Examples: +91-8800119719, 08800119719, 8800119719, +918800119719 etc.
Submitted by Prateek Jain - 10 years ago
1

dd/mm/yyyy validation regexp

Python
no description available
Submitted by uknnown - 9 years ago
1

US Phone Number

ECMAScript (JavaScript)
The way I like it formatted
Submitted by @mattbontrager - 9 years ago
1

Full Name

ECMAScript (JavaScript)
cheking full name e.g. Mathias d'Arras Martin Luther King, Jr. Hector Sausage-Hausen
Submitted by Aymen - 9 years ago
2

Basic Phone Number Verification

PCRE (PHP <7.3)
Verifies a phone number
Submitted by anonymous - 11 years ago
2

Get Currency SYMBOL/CODE

PCRE (PHP <7.3)
no description available
Submitted by Ka. - 11 years ago
2

JavaScript trim string

ECMAScript (JavaScript)
Trim leading/trailing space on a string: do not use /gm flags. Trim each line of a multiline string: use the /gm flag.
Submitted by https://github.com/naomik - 11 years ago
2

haml attribute parsing

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

filename split 2

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

full asshole

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

Regex Capture String

PCRE (PHP <7.3)
Capture out Parts using regular expressions
Submitted by Brandon - 10 years ago
2

phone regex

ECMAScript (JavaScript)
Match phone number with extensions or not
Submitted by Mélissa Dumont - 10 years ago
2

Email validation

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

IPv4

PCRE (PHP <7.3)
no description available
Submitted by Jorge C. - 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

Find any digits in string

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

URL

PCRE (PHP <7.3)
Matches the URL from the text to 95 percentage
Submitted by Harinath - 9 years ago
2

Spanish telephone number

ECMAScript (JavaScript)
Teléfonos del territorio de España. Se admiten teléfono de 9 cifras que empiecen por 9, 7 ó 6. Opcionalmente puede tener el prefijo de país siendo válidas las siguientes opciones: (+34) (0034) +34 0034 ...
Submitted by toyeca - 9 years ago
2

Replace REM by blank

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...855856857858859...902

Community Library Entry

1

Regular Expression
Python

r"
^ ( # Match one of these: [A-Z]?[a-z]+| # A possibly-capitalized identifier, or: [A-Z]+ # An ALL CAPS identifier... (?![a-z]) # ...not immediately followed by lowercase ) # and capture the rest of the string (.*?) $
"
xgm
Open regex in editor

Description

Helper regex for parsing CamelCase identifiers. Captures the first word of the identifier in group 1 and the rest in group 2. Iterate to consume the whole name. Works on fooBar, FooBar, and FOOBar.

Submitted by Kevin - 10 years ago