Intel® Fortran Compiler 17.0 Developer Guide and Reference
NLS Function: Returns the position of the first lead byte or single-byte character immediately preceding the given string position in a multibyte-character string.
USE IFNLS
result = MBPrev (string,position)
string |
(Input) Character*(*). String to be searched for the first lead byte or single-byte character before the current position. Can contain multibyte characters. |
position |
(Input) INTEGER(4). Position in string to search from. Must be the position of a lead byte or single-byte character. Cannot be the position of the trail (second) byte of a multibyte character. |
The result type is INTEGER(4). The result is the position of the first lead byte or single-byte character in string immediately preceding the position given in position, or 0 if no preceding first byte is found in string.