Ruby | String delete_suffix! Method

delete_suffix! is a String class method in Ruby which is used to return a a copy of the given string with trailing suffix deleted or nil if no change was made.

Syntax:str.delete_suffix!

Parameters: Here, str is the given string.

Returns: A copy of the given string with trailing suffix deleted or nil if no change was made.

Example 1:

# Ruby program to demonstrate
# the delete_suffix! method

# Taking a string and
# using the method
puts "Ruby".delete_suffix!("by")
puts "Class".delete_suffix!("s")

Output:

Ru
Clas

Example 2:

# Ruby program to demonstrate
# the delete_suffix! method

# Taking a string and
# using the method
puts "Sample".delete_suffix!("pl")
puts "Input".delete_suffix!("ut")

Output:

Inp

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