>> s = "Yankee Doodle went to town." Yankee Doodle went to town.When using double quotes, the character \ acts as an escaping signal in order to include special characters in the string. The defined escaping sequences are the same as provided by the C programming language. The complete list is given in the table. Note that the backslash character doesn't have a special meaning in a single quoted string.
\a | alert (bell) character | \\ | backslash |
\b | backspace | \? | question mark |
\f | formfeed | \' | single quote |
\n | newline | \" | double quote |
\r | carriage return | \ooo | octal number |
\t | horizontal tab | \xhh | hexadecimal number |
\v | vertical tab |