Regular Expressions 101

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Community Patterns

2

Number or Range

ECMAScript (JavaScript)
Allows either a number (e.g. "1", "1.01") or a range (e.g. "1-2", "1.0 - 1.3"). Also allows whitespace on either side of the numbers.
Submitted by Mark Newcomb - 8 years ago
1

Tag without content

PCRE (PHP <7.3)
Will detect a tag
Submitted by Marc Clément - 8 years ago
1

WIP

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

U.S. Telephone Numbers (No 800 or 900#)

PCRE (PHP <7.3)
Block 800, 855, 866, 877, 888 as well as 900 numbers.
Submitted by hammraido - 8 years ago
1

tags

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
1

Regex matching non-prime unary numbers

PCRE (PHP <7.3)
reg(sn) => boolean: reg('1111') => true reg('xxxxxxxxxxx') => false
Submitted by anonymous - 8 years ago
1

german date without validation

PCRE (PHP <7.3)
checks the format but does not validate
Submitted by JvN - 8 years ago
1

Expression for -1 to infinite

ECMAScript (JavaScript)
no description available
Submitted by Nitin Zajam - 8 years ago
1

URL matched

Python
no description available
Submitted by anonymous - 8 years ago
1

Primes

PCRE (PHP <7.3)
Find primes
Submitted by anonymous - 8 years ago
0

Email Validation

PCRE (PHP <7.3)
Email validation according to RFC standards
Submitted by Colton T. - 8 years ago
1

matching sql input

ECMAScript (JavaScript)
no description available
Submitted by mee - 8 years ago
1

Validate PHP DateInterval Format

PCRE (PHP <7.3)
Checks if string is valid DateInterval format
Submitted by grambas - 8 years ago
1

Regex Library

PCRE (PHP <7.3)
I don't know
Submitted by Bruno - 8 years ago
1

MAC ADDRESS

Python
no description available
Submitted by abaumann - 8 years ago
1

Match @usernames

PCRE (PHP <7.3)
Match @usernames in text.
Submitted by rjstone - 8 years ago
1

Only first name and last name

ECMAScript (JavaScript)
No numbers, no special characters, no triple (or more) repeating characters
Submitted by ranst - 8 years ago
1

GettyImages links

ECMAScript (JavaScript)
capture image id from a variety of gettyimages links
Submitted by Ahmed Hassanein - 8 years ago
1

Port & Port rage regex

ECMAScript (JavaScript)
Matches port and port range max to 2^16. Match: 1 2 3 99...
Submitted by Dan - 8 years ago
1

password regex

PCRE (PHP <7.3)
Contrôler si le mot de passe possède des lettres minuscules ou majuscules de a à z, des chiffres de 0 à 9 et des caractères spéciaux.
Submitted by Worldwide - 8 years ago
1...640641642643644...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^<iframe.+?src="https?:\/\/www\.youtube\.com\/embed\/([a-zA-Z0-9_-]{11})"[^>]+?><\/iframe>$
/
g
Open regex in editor

Description

I don't know

Submitted by Bruno - 8 years ago