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## how-to-regex.md

      
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                isayani
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              November 4, 2022 03:53
            
              
                Regex has daunted programmers for far too long. Fear not! Check out the following gist to learn more about the powerful tool that is Regular Expressions.
              
          
    Reg-What? A Guide to Regular Expressions

What is a Regex?

A Regular Expression or Regex is a sequence of characters specifying a search pattern in text. In other words, it is a shorthand for returning specific criterion in any programming language.
Regex can be useful when:


looking for a patterned-string in your code (like a phone or card number)
replacing an existing pattern with another
referencing string-based algortithms
input validation