Regex

Short for regular expression, regex is a tool for finding patterns within a string.

the most useful regex use cases are to validate user input or to search through a large text.

in this website we gathered the most useful regex use cases for you, just copy and paste it into your code.

you can search for topics to find the relevant regex for your problem good luck!


* Notice that all the regular expressions in this site was tested by the Javascript Match method and may not work with other programming languages!

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Regex for email validation

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Only english letters regex

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Only english letters and numeric characters regex

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Regex for ipv4 validation

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Regex for ipv6 validation

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Regex for ipv4 and ipv6 validation

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Regex for strong password - minimum of eight characters, must have uppercase letters, lowercase letters and numbers (you can change the length of the password by changing the last digit in the regex ({8,} --> {10,}))

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Regex for stronger(complex) password - minimum of eight characters, must have uppercase letters, lowercase letters numbers and special characters (you can change the length of the password by changing the last digit in the regex ({8,} --> {10,}))

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Regex for date validation - dd/mm/yyyy || dd-mm-yyyy || dd.mm.yyyy

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Regex for date validation - mm/dd/yyyy

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Regex for date validation - (dd/mmm/yyyy || dd-mmm-yyyy || dd.mmm.yyyy || dd/mm/yyyy || dd-mm-yyyy || dd.mm.yyyy) examples: (21/Jun/2002 || 21-jun-2002 || 21.JUN.2002 || 21/06/2002)

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Regex for time validation - HH:MM - 24 hours

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Regex for time validation - HH:MM:SS - 24 hours

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Regex for SSN (USA social security number) - 123-45-6789 || 123456789 / (follows the ssn rules)

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Only hebrew letters regex

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Only chinese letters regex

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Only japanese letters regex

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Only arabic letters regex

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Regex for URL validation - will match: (http || https || www) examples: (www.google.com || http://google.com || https://google.com), will not match: google.com

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Regex for URL validation with no protocol (http / https)- will match:(www.google.com || google.com), will not match: (https://google.com)

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Regex for youtube video url validation

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Regex for visa credit card validation

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Regex for mastercard credit card validation

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Regex for dinars club credit card validation

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Regex for american express credit card validation

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