Ruby | String chop! Method

chop! is a String class method in Ruby which is used to return a new String with the last character removed. Both characters are removed if the string ends with \r\n, b. It will return nil if the string is empty.

Syntax:str.chop!
Parameters: Here, str is the given string.
Returns: A new string having no record separator or nil if the string is empty.  

Example 1:

Ruby

# Ruby program to demonstrate
# the chop! method

# Taking a string and
# using the method
puts "".chop!
puts "Ruby\r\n".chop!

Output:

Ruby

Example 2:

Ruby

# Ruby program to demonstrate
# the chop! method

# Taking a string and
# using the method
puts "String\r\n\r\r\n".chop!

# Removing two characters
puts "Method".chop!.chop!

Output:

String
Method