Regular Expressions 101

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Community Patterns

0

HTML5 email regex

PCRE2 (PHP >=7.3)
Source Mozilla.
Submitted by anonymous - 2 years ago
0

Validation of Date in the format YYYY-MM-DD

PCRE2 (PHP >=7.3)
Validation of Date in the format YYYY-MM-DD
Submitted by David - a month ago (Last modified 25 days ago)
1

IPv4&IPv6 URL validation regular expression

PCRE (PHP <7.3)
no description available
Submitted by Henry Li - 12 years ago
1

RFC 5322 email validation

PCRE (PHP <7.3)
Unsatisfied with your email validation? Concerned about standards compliance? Worried about that one weird edge case? Want to stress-test your regex engine? This might be the regex for you!
Submitted by Blake Thomas - 11 years ago
1

date validation

ECMAScript (JavaScript)
Validation for date 2013.12.24 14:50
Submitted by axelprog - 11 years ago
1

Date validation

ECMAScript (JavaScript)
A regular expression to validate a Date in format DD/MM/YYYY
Submitted by Felipe Montaña - 11 years ago
1

Simple Email Validation

ECMAScript (JavaScript)
Does not match everything, but good for a cross-platform validation filter.
Submitted by anonymous - 11 years ago
1

Phone Number Validation

PCRE (PHP <7.3)
Only Numbers Allowed, Optional (+) for international numbers Min: 10 Max: 14 Optional: +
Submitted by Menon Kalipurayath (MenonOn.Net) - 11 years ago
1

MY RFC 5322 implementation

ECMAScript (JavaScript)
My RFC 5322 implementation for email validation with few limitation on top level domain name
Submitted by DevJustWantHaveFun - 11 years ago
1

Email validation

PCRE (PHP <7.3)
because everything else is too strict
Submitted by anonymous - 11 years ago
1

Credit Card finder

PCRE (PHP <7.3)
Captures credit card looking sequence of digits Luhn validation remains required as a complement.
Submitted by OP - 11 years ago
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 - 11 years ago
1

russian phone number hard validation (multiformat)

PCRE (PHP <7.3)
Supported formats (mobile): +7(xxx)xxx xxxx +7(xxx)xxxxxxx +7(xxx)xxx-xx-xx +7(xxx)xxx xx xx +7 xxx xxx xx xx...
Submitted by Redfern.89 - 11 years ago
1

IPv4 validation using recursion

PCRE (PHP <7.3)
Validate IPv4 addresses using PCRE's recursion patterns.
Submitted by Captain Haddock - 10 years ago
1

German ZIP Validation

ECMAScript (JavaScript)
Validates German ZIP codes
Submitted by wehmoen - 10 years ago
1

jQuery Validation Email Regex

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
1

Two Line Element (TLE) validation

PCRE (PHP <7.3)
no description available
Submitted by Michael Lodge-Paolini - 10 years ago
1

File input type validation

PCRE (PHP <7.3)
no description available
Submitted by Ramkumar Venkatachalam - 10 years ago
1

Name Validation

PCRE (PHP <7.3)
Start with capital letter. Allowed special characters '(Apostrophe) -(hyphen) .(dot) (space) and can not end with -(Hyphen)
Submitted by Venu Nimmagadda - 10 years ago
1

decimal number validation

PCRE (PHP <7.3)
accepts 1; 1.1; 112315.23135
Submitted by MS - 10 years ago
1...1213141516...26