Regular Expressions 101

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Community Patterns

Search among 18,000 community submitted regex patterns...

1

Youtube Regex

PCRE (PHP <7.3)

To get video id from different formats

Submitted by bux - 9 years ago

1

password complexity

PCRE (PHP <7.3)

At least one lower case, upper case and digit, at least 10 chars

Submitted by anonymous - 9 years ago

1

Basic email validation

PCRE (PHP <7.3)

A basic and rude email validation

Submitted by Yemolai - 9 years ago

1

Ebay item id from URL

PCRE (PHP <7.3)

no description available

Submitted by Nanodev Limited - 9 years ago

1

US Ham Radio licenses

ECMAScript (JavaScript)

no description available

Submitted by Joshua Carroll - 9 years ago

1

Matching comma separated with pattern

PCRE (PHP <7.3)

Matching comma separated fields with pattern

Submitted by anonymous - 9 years ago

1

test

PCRE (PHP <7.3)

Submitted by umesh - 9 years ago

1

TFS Forbidden Pattern web.config file Check-In Policy

PCRE (PHP <7.3)

TFS Forbidden Pattern web.config file Check-In Policy

Submitted by Riaan de Lange - 9 years ago

1

Keyboard key parser

PCRE (PHP <7.3)

Parse Keyboard keys from string Like ctrl+a matches ctrl and a in one group This supports complex strings

Submitted by Jérémy Munsch <jeremy.munsch@gmail.com> - 9 years ago

1

translates regex

ECMAScript (JavaScript)

no description available

Submitted by anonymous - 9 years ago

1

lookahead (and)

PCRE (PHP <7.3)

no description available

Submitted by anonymous - 9 years ago

1

Belgian phone number

ECMAScript (JavaScript)

Validate belgian common phone numbers (simple landline and mobile only, no special/free/premium numbers)

Submitted by Marty - 9 years ago

1

Email ID

ECMAScript (JavaScript)

Full Validation of Email ID

Submitted by Eric Abraham - 9 years ago

1

Primeros N Caracteres

ECMAScript (JavaScript)

no description available

Submitted by anonymous - 9 years ago

1

Extract AWS accountId from user arn

ECMAScript (JavaScript)

Extract AWS accountId from user arn given by get-user action

Submitted by AlexanderC - 9 years ago

1

namedQueryPattern

PCRE (PHP <7.3)

no description available

Submitted by anonymous - 9 years ago

1

ICD-10-PCS

ECMAScript (JavaScript)

ICD-10-PCS Procedure code

Submitted by anonymous - 9 years ago

1

ICD-10-CM

ECMAScript (JavaScript)

ICD-10-CM Diagnosis Codes

Submitted by anonymous - 9 years ago

1

iso 8601

ECMAScript (JavaScript)

no description available

Submitted by phyng - 9 years ago

1

comment separator

PCRE (PHP <7.3)

works fine for // and -- but has issue with multi line comment(/**/)

Submitted by anonymous - 9 years ago

1...618 619 620 621 622...900

Community Library Entry

0

Regular Expression
Python

r"

\b[a-zA-Z_][\w]*\b

"

gm

Open regex in editor

Description

\b[a-zA-Z_]\w+

Submitted by anonymous - 5 years ago