Provides a full breakdown of what every character in your pattern is doing.
To find numbers formatted like (123) 456-7890 : \(\d3\)\s\d3-\d4 Provides a full breakdown of what every character
\w : Matches any "word" character (letters, numbers, and underscores). \s : Matches whitespace (spaces, tabs, line breaks). Quantifiers (How Many?) Provides a full breakdown of what every character
Regular Expressions (Regex): The Swiss Army Knife of Text Processing Provides a full breakdown of what every character
Extract specific pieces of information (like URLs or prices) from messy HTML.