$c_str[BEL \a BS \b ESC \e FF \f NL \n CR \r TAB \t VT \v BSLASH \\ APOS \' QUOT \" HASH \43 DOLLAR \x24 AT \u0040 TILDE \U0000007e TGs \?= \?/ \?' \?( \?) \?! \?< \?> \?-]
$p_str[BEL \a BS \b ESC \c[ FF \f NL \n CR \r TAB \t VT \x{0b} BSLASH \\ APOS \' QUOT \" HASH 043 DOLLAR \x{24} AT \x{0040} TILDE \x{0000007e} TGs # \ ^ [ ] | { } ~]