Tries to find the column names from the given SQL query.

regex to valid a complete URL including querystring and URI encoded characters

extract the package name and version name from the apt list --installed command

A solution for capture set/unset/catch a value of param query of URLs. Here is a example code that applies this pattern in JS, but JS doesn't have support to lookbehind.

A more thorough UK postcode validator tested against all UK postcodes on a regular basis, but excluding the special GIRO postcode case out of personal preference. Additionally has capture groups for the In-code and Out-code sections. Requires case insensitive matching.

Converts a javascript literal to json format

This expression can be used for identifying if a string (such as a dialed number using a cloud based telephony service) matches one of the known North American US N11 Service Numbers. It will match if the number is in e.164 format or not, and only matches when the string begins and ends with the des...

This pattern finds comments block in the source code.

Captures a palindrome of 9 digits or less