How and why to use regular expressions

/{bb}|^[b]{2}/

by

Joel Lord

A little about me...

Regex 101

/(\(?)([0-9]{3})(\-| |\))?([0-9]{3})(\-)?([0-9]{4})/

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101 examples

A little further down the rabbit hole

Examples

Making them readable

Readable regex example

Applying to php

preg_match

preg_replace

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