Scan a string for the absence of a set of characters. Verifies that all the characters in string belong to the set of characters in set.
If back is either absent or false, this function returns the position of the leftmost character of string that is not in set. If back is true, the rightmost position is returned. If all characters of string are found in set, the result is zero.
This method is elemental and returns a default integer scalar value.
Verify a character sequence for the absence any of the characters in a set of characters.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
class(string_class), | intent(in) | :: | string | |||
class(string_class), | intent(in) | :: | set | |||
logical, | intent(in), | optional | :: | back |
Verify a character sequence for the absence any of the characters in a set of characters.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
class(string_class), | intent(in) | :: | string | |||
type(string_type), | intent(in) | :: | set | |||
logical, | intent(in), | optional | :: | back |
Verify a character sequence for the absence any of the characters in a set of characters.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
class(string_class), | intent(in) | :: | string | |||
character(len=*), | intent(in) | :: | set | |||
logical, | intent(in), | optional | :: | back |
Verify a character sequence for the absence any of the characters in a set of characters.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
type(string_type), | intent(in) | :: | string | |||
class(string_class), | intent(in) | :: | set | |||
logical, | intent(in), | optional | :: | back |
Verify a character sequence for the absence any of the characters in a set of characters.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
character(len=*), | intent(in) | :: | string | |||
class(string_class), | intent(in) | :: | set | |||
logical, | intent(in), | optional | :: | back |