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Regular Expressions in PHP

Regular Expressions in PHP: A Practical Guide to preg_match and Beyond

Learn how to use PHP regular expressions effectively, from basic preg_match patterns to named captures and the greedy-quantifier trap.

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PHP form validation server-side and client-side guide

PHP Form Validation: The Complete Guide to Server-Side and Client-Side Validation

A complete guide to PHP form validation covering client-side vs server-side validation, sanitization, common field types, and reusable validation patterns.

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