Ruby Language Regular Expressions and Regex Based Operations Defining a Regexp
Example
A Regexp can be created in three different ways in Ruby.
-
using slashes:
/ / -
using
%r{} -
using
Regex.new#The following forms are equivalent regexp_slash = /hello/ regexp_bracket = %r{hello} regexp_new = Regexp.new('hello') string_to_match = "hello world!" #All of these will return a truthy value string_to_match =~ regexp_slash # => 0 string_to_match =~ regexp_bracket # => 0 string_to_match =~ regexp_new # => 0
