PHP TutorialLesson 24Free preview

PHP RegEx Functions

This lesson is part of PHP · All levels

Summary

PHP provides a set of preg_* functions to use regex, such as preg_match, preg_match_all, preg_replace, and preg_split. This lesson explains the differences between these functions and examples of their use. It's important to remember that regex functions require boundary-packed patterns like slash.

Key points

Looking for the first match, taking all the matches.
Preg_replace() change the text based on regex pattern
Break the string according to a certain pattern
Regex pattern wrapped in a borderline like a pattern.

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