Run Regular Expression to find part(s) of text. In the example above, we used regular expression to extract an email address from a paragraph of text. The regular expression used in the above example is:
[A-Za-z0-9._%+-][email protected][A-Za-z0-9.-]+\.[A-Za-z]{2,63}
Example use cases: extract or validate email addresses, phone numbers, URLs..etc.