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ALPHABETS, Uppercase letters, Lowercase letters, , a-Z, , DIGITS 0,1, 2, 3, 4, 5, 6, 7, 8,9, SPECIAL CHARACTERS, ~ tilde % percent sign, | vertical bar @ at symbol + plus, sign < less than, , underscore - minus sign, > greaterthan “% caret #, number sign = equal to, & ampersand S$ dollar sign, / slash ( left parenthesis *, asterisk \ back slash, ) right parenthesis apostrophe, , colon [ left bracket ", quotation mark : semicolon, ] right bracket ! exclamation mark, , comma { left flower brace ?, Question mark dot operator, } right flower brace, WHITESPACE CHARACTERS, \b blank space \t horizontal, tab \v vertical tab \r carriage, return \f form feed \n new line, \\ Back slash \ Single quote, , \' Double quote \? Question mark, , \0 Null \a Alarm (bell)