Maximum length of a string defined in ABAP Dictionary (RAWSTRING, SSTRING, STRING). If the stringis unrestricted, the constant abap_max_db_string_ln or abap_max_db_rawstring_ln from thetype groupABAPis returned. The latter is also returned for the predefined ABAP types string and xstring.
Number of characters in arg, where trailing blanks are not counted indata objects with fixed lengths or in data objects with the type string. If a non-Unicode double-byte code is used, a character that uses two bytes is only counted once.
Number of characters in arg, where trailing blanks in data objects withfixed lengths are not counted. They are counted though in data objects with the type string.If a non-Unicode double-byte code is used, a character that uses two bytes is counted twice. The argument can be also byte-like inobsoletenon-Unicode programs.