remove ascii characters from string ruby
string_with_ascii = "This string contains some ASCII characters like this one: \x81"
string_without_ascii = string_with_ascii.encode(Encoding::ASCII, invalid: :replace, undef: :replace, replace: '')
puts string_without_ascii
Explanation:
1. string_with_ascii = "This string contains some ASCII characters like this one: \x81"
: Defines a string containing ASCII characters, including the character represented by \x81
.
string_without_ascii = string_with_ascii.encode(Encoding::ASCII, invalid: :replace, undef: :replace, replace: '')
: Encodes thestring_with_ascii
to ASCII encoding, replacing invalid and undefined characters with an empty string. This effectively removes all ASCII characters that cannot be represented in the ASCII encoding.puts string_without_ascii
: Prints the resulting string, which isstring_with_ascii
without any ASCII characters that cannot be represented in ASCII encoding.