Peter warrenp11

## hexadecimal-regex.md

      
        
          
            
              
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                warrenp11
                / hexadecimal-regex.md
            
            
              Last active
              September 26, 2022 10:57
            
              
                Hexadecimal Color Code Validation Using Regular Expression
              
          
        
      
        
  
      
    Regex Tutorial: Validating a Hexadecimal Color Code

The following documentation will attempt to explain the components of regular expressions (regex) and how they are used for many purposes, one of which is to validate a hexadecimal color code.
Summary

The following regex is used when validating a hexadecimal color code:
    /^#?([0-9a-f]{6}|[0-9a-f]{3})$/i