Regular Expressions 101

Community Patterns

Url parser and validator

2

Regular Expression
ECMAScript (JavaScript)

/
^((?:(https?):\/\/)?((?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]|[0-9])\.(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]|[0-9])\.)(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]|[0-9])\.)(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]|[0-9]))|(?:(?:(?:\w+\.){1,2}[\w]{2,3})))(?::(\d+))?((?:\/[\w]+)*)(?:\/|(\/[\w]+\.[\w]{3,4})|(\?(?:([\w]+=[\w]+)&)*([\w]+=[\w]+))?|\?(?:(wsdl|wadl))))$
/
gi

Description

Validate an url with hostname or ip and port. Furthermore provides:

  • the entire url
  • the protocol
  • the hostname/ip
  • the port
  • the path
  • the querystring
Submitted by Antonino Sirchia - 8 years ago