Common Regex Patterns: 50+ Ready-to-Use Regular Expressions
A curated library of 50+ common regex patterns for emails, URLs, IPs, dates, phone numbers, and more. Copy-paste ready for your project.
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Tags: developer-tools, regex, patterns
Common Regex Patterns: 50+ Ready-to-Use Regular Expressions This is a practical reference — copy a pattern, paste it, and use it. Each pattern includes the regex, what it matches, what it misses, and a code example. Test any pattern at theproductguy.in/tools/regex-tester. Patterns are in JavaScript syntax. For Python, replace with . URLs HTTP/HTTPS URL: Any URL including ftp, mailto: Domain name only: --- Phone Numbers US phone — flexible format: Matches: , , , , International E.164 format: Matches: , Extract US phone from text: --- Dates ISO 8601 date (YYYY-MM-DD): Matches: , Note: Validates range but not calendar accuracy (accepts Feb 30) US date (MM/DD/YYYY): European date (DD/MM/YYYY): ISO 8601 datetime: Matches: , Flexible date extractor (various formats): --- IP Addresses IPv4…
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