Ruby | String chomp! Method
chomp! is a String class method in Ruby which is used to returns new String with the given record separator removed from the end of str (if present). chomp method will also removes carriage return characters (that is it will remove \n, \r, and \r\n) if $/ has not been changed from the default Ruby record separator, t. If $/ is an empty string, it will remove all trailing newlines from the string. It will return nil if no modifications were made.
Parameters: Here, str is the given string.
Returns: A new string having no record separator from the end or nil if no changes were made.
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