Regular Expressions 101

This will remove all facebook urls from a HTML string

only WEB URL ex:http://aaa.com.tw https://aaa.com aaa.com aaa.com.tw

get src url from img tag in html

Tokenize a HostName for optional string values. Good for testing whether you are in np, qa, qp, or production environments.

Parses a URL query string (ignores anything after #) and returns parameters and values separately.

This is validation that is used in html5 for validate the url. http://www.faqs.org/rfcs/rfc3987.html

regex valid for json schema with http,https,ftp,sftp protocol

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

When you need to get parts of your URL nicely.

simple url to web site match (es6)

regex made to match any ftp or sftp url with a limited number of subfolder

Extract the Channel Username or Channel ID given a YouTube Channel URL.