Master PHP’s preg_match: Simple Regex and Email Validation

This guide explains how to use PHP’s preg_match function for basic string matching, demonstrates common regex patterns such as character ranges and quantifiers, and provides a detailed example for validating email addresses, helping developers apply regular expressions effectively in their backend code.

email-validationpreg_matchregex

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Master PHP’s preg_match: Simple Regex and Email Validation

MaGe Linux Operations

Apr 16, 2015 · Fundamentals

Master Regular Expressions: Key Metacharacters and Practical Shell Examples

This article explains the most common regular‑expression metacharacters, their meanings, and shows how to combine them in real‑world grep commands to match patterns such as lines starting with 30, containing 70 or 1800, and validating email addresses.

GrepShell scriptingemail-validation

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Master Regular Expressions: Key Metacharacters and Practical Shell Examples