Regular Expressions 101

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Community Patterns

Search among 18,040 community submitted regex patterns...

1

Validate a 10-digit US Phone Number

PCRE2 (PHP >=7.3)

Validate a 10-digit US Phone Number

Submitted by JB - 3 years ago

1

Obsidian external embedded link

PCRE2 (PHP >=7.3)

Obsidian external embedded link

Submitted by arezvov - 3 years ago

1

pack_size

PCRE2 (PHP >=7.3)

get pack_size from a string

Submitted by anonymous - 3 years ago

1

us phone number validation

PCRE2 (PHP >=7.3)

us phone number validation

Submitted by anonymous - 3 years ago

1

Youtube video URL or empty

ECMAScript (JavaScript)

Matches correct youtube video urls and empty strings.

Submitted by xeon927 on stackoverflow - 3 years ago

1

Email Verification

PCRE2 (PHP >=7.3)

PHP REGEX to verify an email.l

Submitted by anonymous - 3 years ago

1

RegEx Workshop

ECMAScript (JavaScript)

Phone Number RegEx

Submitted by Anthony Cooper - 3 years ago

1

Test expression

PCRE2 (PHP >=7.3)

To find at most 3 a in string

Submitted by anonymous - 3 years ago

1

get homepage url from full url

get homepage url from full url

Submitted by Suraj Shrestha - 3 years ago

1

Email

PCRE2 (PHP >=7.3)

[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-z]{2,3}$

Submitted by Mykola Buhaiov - 3 years ago

1

Add rgb for colour variables

ECMAScript (JavaScript)

Add rgb for colour variables

Submitted by anonymous - 3 years ago

1

Replace variable value with variable

PCRE2 (PHP >=7.3)

Replace variable value with variable

Submitted by anonymous - 3 years ago

1

Jira

PCRE2 (PHP >=7.3)

Submitted by anonymous - 3 years ago

1

PHP North American Phone Number

PCRE2 (PHP >=7.3)

Format phone numbers to look nice! E.g. 12345678900 --> +1(234)-567-8900 Matches with most ways numbers are stored 1.234.567.8900 1 234 567 8900...

Submitted by Mendel Groner - 3 years ago

1

Third Strike - SRK Wiki - Any Guard Type

ECMAScript (JavaScript)

Submitted by Clay Dunston - 3 years ago

1

IP Address Validation Express

PCRE (PHP <7.3)

This is an accurate IP Address validation express that matches 1.1.1.1 to 255.255.255.255. Enjoy the code and pass it on to someone else in need. _"With practice you have no choice but to improve." "A logical mind has no limits to understanding."_

Submitted by anonymous - 3 years ago

1

IPV4 Address Identificate

PCRE2 (PHP >=7.3)

Regex to identificate a IPV4 Address

Submitted by Pablo Deyvid - 3 years ago

1

Regex

PCRE2 (PHP >=7.3)

Match an element from a list

Submitted by anonymous - 3 years ago

1

Phone Number E.164

PCRE2 (PHP >=7.3)

Starts with + from 8 digits until 15

Submitted by Sear Lopez - 3 years ago

1

single ling prop to multi line

ECMAScript (JavaScript)

single ling prop to multi line

Submitted by anonymous - 3 years ago

1...795 796 797 798 799...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/

(00|1|(01|10)((00)*|1*)(0|01*))

/

mg

Open regex in editor

Description

L1 = {w ∈ Σ ∗ = {0, 1} ∗ | |w|0 = 2k, k ∈ N}

Submitted by Alan Dantas - a year ago