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Ruby | String include? Method
  • Last Updated : 09 Dec, 2019

include? is a String class method in Ruby which is used to return true if the given string contains the given string or character.

Syntax: str.include?

Parameters: Here, str is the given string.

Returns: true if the given string contains the given string or character otherwise false.

Example 1:






# Ruby program to demonstrate 
# the include?  method 
       
# Taking a string and 
# using the method
puts "Ruby".include? "by"                 
puts "String".include? "ui"

Output:

true
false

Example 2:




# Ruby program to demonstrate 
# the include?  method 
       
# Taking a string and 
# using the method
puts "Sample".include? "am"                 
puts "Input".include? "pt"

Output:

true
false
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