method _match : regExp t -> match_result_handle t opt methmethod charAt : int -> js_string t methmethod charCodeAt : int -> float methmethod concat : js_string t -> js_string t methmethod concat_2 : js_string t -> js_string t -> js_string t methmethod concat_3 : js_string t -> js_string t -> js_string t -> js_string t methmethod concat_4 : js_string t -> js_string t -> js_string t -> js_string t -> js_string t methmethod indexOf : js_string t -> int methmethod indexOf_from : js_string t -> int -> int methmethod lastIndexOf : js_string t -> int methmethod lastIndexOf_from : js_string t -> int -> int methmethod length : int readonly_propmethod localeCompare : js_string t -> float methmethod replace : regExp t -> js_string t -> js_string t methmethod replace_string : js_string t -> js_string t -> js_string t methmethod search : regExp t -> int methmethod slice : int -> int -> js_string t methmethod slice_end : int -> js_string t methmethod split : js_string t -> string_array t methmethod split_limited : js_string t -> int -> string_array t methmethod split_regExp : regExp t -> string_array t methmethod split_regExpLimited : regExp t -> int -> string_array t methmethod substring : int -> int -> js_string t methmethod substring_toEnd : int -> js_string t methmethod toLocaleLowerCase : js_string t methmethod toLocaleUpperCase : js_string t methmethod toLowerCase : js_string t methmethod toString : js_string t methmethod toUpperCase : js_string t methmethod trim : js_string t methmethod valueOf : js_string t meth