Position of a sequence of character within a character sequence. In this version both character sequences are represented by a string.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(string_type), | intent(in) | :: | string | |||
| type(string_type), | intent(in) | :: | substring | |||
| logical, | intent(in), | optional | :: | back |
elemental function index_string_string(string, substring, back) result(pos) type(string_type), intent(in) :: string type(string_type), intent(in) :: substring logical, intent(in), optional :: back integer :: pos pos = index(maybe(string), maybe(substring), pic_optional(back, .false.)) end function index_string_string