Quick reference: RegEx examples

Regular expression

Description

Sample data

[a-zA-Z]{4}[0-9]{9}

Custom account number starting with 4 letters followed by 9 digits.

ghrd123456789

[a-zA-Z]{2-4}[0-9]{7-9}

Custom account number starting with 2-4 letters followed by 7-9 digits.

ghr12345678

([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})

Email address

Joe_smith@mycompany.com