Regular expressions, often abbreviated as regex or regexp, are powerful tools used in computer science and programming to search, match, and manipulate strings of text based on specific patterns. Regular expressions are a combination of characters and symbols that define rules for pattern matching, allowing you to find matches even if the text various ways.
These are some different regular expressions examples:
Matching a Word in Text: \bapple\b
Matching Email Addresses: [\w\.-]+@[\w\.-]+
Matching Dates: \d{2}-\d{2}-\d{4}
Extracting Phone Numbers: (\d{3})-(\d{3})-(\d{4})
Matching URLs: https?://\S+