RegularRegExpressionsEx101
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javascript
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postal code
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pcre
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category
regex for category separation and validation
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pcre
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Clockify duration format parser
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pcre
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Pivotal tracker ID extract
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pcre
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any number
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pcre
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Nginx Log Parsing
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pcre
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All Words Uppercase
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python
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extract ac code from fasta headers
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pcre
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UK generic tel no
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pcre
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us
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python
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regex for copper tif files
https://regex101.com/r/zNfvGn/1
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pcre
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UK Landline Number
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javascript
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Password validation 8 character
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Date Validation - Including Leap Year (mm/dd/yyyy)
javascript
/
^(?:(?:(?:0[13578]|1[02])(\/)31)\1|(?:(?:0[1,3-9]|1[0-2])(\/)(?:29|30)\2))(?:(?:19|[2-9]\d)\d{2})$|^(?:02(\/)29\3(?:(?:(?:19|20)(?:[02468][048]|[13579][26]))))$|^(?:(?:0[1-9])|(?:1[0-2]))(\/)(?:0[1-9]|1\d|2[0-8])\4(?:(?:19|20)?\d{2})$
/
gm
Description

This regex validates all dates between 01/01/1900 and 12/31/2099, including leap-year validation. It follows a mm/dd/yyyy format, and enforces two-digit month/year formats.

Submitted by anonymous - 5 months ago
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