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PHP Academy · Lesson

Using Regular Expressions

Match and manipulate strings with regular expressions.

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Using Regular Expressions

Welcome to the lesson on using regular expressions! In this lesson, you’ll learn how to use PHP’s regular expression functions to match patterns in strings and validate data. Let’s dive in!

Using Regular Expressions — illustration 1

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What Are Regular Expressions?

Regular expressions (regex) are patterns used to match strings. They are widely used for:

  • Validating input, such as email addresses and phone numbers.
  • Searching for specific patterns in text.
  • Replacing parts of a string.

Key Point: Regular expressions are powerful tools for text processing and validation.

All lessons in this course

  1. Handling Sessions and Cookies
  2. Working with Files
  3. Error and Exception Handling
  4. Using Regular Expressions
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