| Quality Resources | Regular Expression Info | |
|---|---|---|
| Javascript | [Regular expressions - JavaScript | MDN](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions) |
| Php | PCRE - Manual - PHP | PCRE Pattern Reference |
| Live Editors | Php Regex Editor | JS Regex Editor |
| Email pattern | /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,8})+$/ |
|---|---|
| Phone pattern | /^((+\d{1,3}(- |
| Url pattern | /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#()?&//=]*)/ |
| Alphabetical characters only pattern | /^[a-zA-Z]*$/ |
| Alphabetical and numeric characters only pattern | /^[a-zA-Z0-9]*$/ |
| Alphabetical, numeric, dashes, and underscore characters only pattern | /^[a-zA-Z0-9-_]+$/ |
| IPv4 or IPv6 pattern | /^(25[0-5] |
| IPv4 pattern | /^(25[0-5] |
| IPv6 pattern | /^((?:[0-9A-Fa-f]{1,4}))((?::[0-9A-Fa-f]{1,4}))*::((?:[0-9A-Fa-f]{1,4}))((?::[0-9A-Fa-f]{1,4}))* |
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