ascii_only? is a String class method in Ruby which is used to check the string which has only ASCII characters.
Syntax: str.ascii_only? Parameters: Here str is the string to be checked. Returns: True for a string which has only ASCII characters otherwise return false.
Example 1:
Ruby
#ruby 2.3.1 # Ruby program to demonstrate # the ascii_only? method # Taking a string and # using the method puts "95ruby2364127".ascii_only? puts "\u{ 1234 }".ascii_only?
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Output:
true
false
Example 2:
Ruby
#ruby 2.3.1 # Ruby program to demonstrate # the ascii_only? method # Taking a string and # using the method puts " STRING ".ascii_only?
puts "\u{ 7894 }".force_encoding(" UTF - 8 ").ascii_only?
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Output:
true
false