Flowdock
regexp(schemes = nil) public

Synopsis

  URI::regexp([match_schemes])

Args

match_schemes:Array of schemes. If given, resulting regexp matches to URIs whose scheme is one of the match_schemes.

Description

Returns a Regexp object which matches to URI-like strings. The Regexp object returned by this method includes arbitrary number of capture group (parentheses). Never rely on it’s number.

Usage

  require 'uri'

  # extract first URI from html_string
  html_string.slice(URI.regexp)

  # remove ftp URIs
  html_string.sub(URI.regexp(['ftp'])

  # You should not rely on the number of parentheses
  html_string.scan(URI.regexp) do |*matches|
    p $&
  end
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