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## hexadecimal_color_regex.md

      
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                Mayenawdk
                / hexadecimal_color_regex.md
            
            
              Created
              September 6, 2024 01:39
            
              
                A detailed tutorial on matching hexadecimal color values using regular expressions (regex). This tutorial breaks down each component of the regex used for validating hex color codes, explaining its function with examples.
              
          
    Regex Tutorial: Matching a Hexadecimal Color Value

Introduction

In this tutorial, we will explore the regular expression used for validating hexadecimal color values. This type of regex is commonly used in web development to ensure that color codes are correctly formatted.
Summary

The regex /^#?([a-f0-9]{6}|[a-f0-9]{3})$/ is designed to match valid hexadecimal color codes. These codes can be either 3 or 6 characters long and may optionally start with a #.
Table of Contents


Components of the Regex