Check if the given string is a private address

Check provided street address is valid or not and also fetch it's all components.

IP PCRE

xml encoding detection encoding=(\"\S+")

Very crude, but effective email validation.

HI, I'm looking for RegX to match words with more than two sequential characters

For find definer in mysql routines

A regular expression to validate a Date in format DD/MM/YYYY

Good for valid numbers for international currencies - checks for accepted variations for thousands and decimal separators http://docs.oracle.com/cd/E19455-01/806-0169/overview-9/index.html