Ruby | String * Method

Ruby | String =~ Method

Last Updated : 07 Jan, 2020

=~() is a String class method in Ruby which is used for matching purpose. If the given object is a Regexp, then this method will use it as a pattern to match against the given string.

Syntax: str =~ obj Parameters: Here, str is the given string and obj is the object to be matched. Returns: The position of the match starts or nil if there is no match.

Example 1:

Ruby

#ruby 2.3.1 
   
# Ruby program to demonstrate
# the =~ method
   
# Taking a string and
# using the method
puts "ayucd7845ef" =~ /\d/

#returns nil for this
puts "String" =~ 77

Output:

Example 2:

Ruby

#ruby 2.3.1 
   
# Ruby program to demonstrate
# the =~ method
   
# Taking a string and
# using the method
puts "952364127" =~ /\d/

puts "String123" =~ /\d/

Output:

0
6

Ruby | String * Method

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