Ruby | String delete_prefix! Method
Last Updated :
13 Dec, 2019
delete_prefix! is a String class method in Ruby which is used to return a a copy of the given string with leading prefix deleted or nil if no change was made.
Syntax: str.delete_prefix
Parameters: Here, str is the given string.
Returns: A copy of the given string with leading prefix deleted or nil if no change was made.
Example 1:
puts "Ruby" .delete_prefix!( "Ru" )
puts "Class" .delete_prefix!( "Cl" )
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Output:
by
ass
Example 2:
puts "Sample" .delete_prefix!( "am" )
puts "Input" .delete_prefix!( "In" )
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Output:
put
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