Developer shares 25+ ready-to-use regex patterns for common programming tasks

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A developer on DEV Community has compiled a reference list of over 25 commonly used Regular Expression patterns for everyday programming needs. The collection covers validation use cases including numbers, alphanumeric strings, email addresses, usernames, and passwords with varying complexity rules. Regular Expressions are pattern-matching tools supported across most programming languages, though they are historically associated with Perl. The article also points developers to online tools such as Regex101 and RegExr for testing patterns outside of a coding environment. The resource is aimed at developers looking for quick, reusable regex snippets without having to write them from scratch.

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