Find char

Type Function: INT

Input STR	STRING (input STRING)
POS	INT (start position)
Output	INT (pos of first character that is not a control character)
	FIND_CHAR searches the string STR starting at position POS and returns the position at which the first character is not a control character. Control characters are all characters whose value is less than 32 or 127. In examining the Global Setup EXTENDED_ASCII constant is considered. If EXTENDED_ASCII = TRUE the extended ASCII character-set to be considered in accordance with ISO 8859-1. Umlauts like Ä, Ö, Ü are considered only if the global constant EXTENDED_ASCII = TRUE. If EXTENDED_ASCII = FALSE characters of the extended character set with a value > 127 interpreted as control characters.