This is simplified from my last submission.

Extract resource location, name and query parameters from a URL (JavaScript version)

search any word with an accent

This regex will identify all html start and end tags.

This regex will match any Youtube video ID thrown at it and return one capturing group containing the ID.

A string with only numbers in

It correctly handles simple values, empty values, and quoted values with commas inside.

Useful to work with GoogleMap API.

Regular expression for password validation Rules: 8-120 chars no spaces must contain at least one a-z char must contain at least one A-Z char...

Match an ipv6 address

Validate North American phone numbers with capture groups for the Area Code, Exchange Code, Line Number, and Extension.

Usually MSWord HTML exports

checks for valid PAN card for Indian users.

Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year

Alow alphanumeric characters and spaces

Validates - URLs with schemes - http, https and ftp Relative URL starting with / and ../