scan Interface

public interface scan

Scan a string for the presence of a set of characters. Scans a string for any of the characters in a set of characters.

If back is either absent or false, this function returns the position of the leftmost character of string that is in set. If back is true, the rightmost position is returned. If no character of set is found in string, the result is zero.

This method is elemental and returns a default integer scalar value.

Calls

interface~~scan~~CallsGraph interface~scan scan proc~scan_char_string scan_char_string interface~scan->proc~scan_char_string proc~scan_string_char scan_string_char interface~scan->proc~scan_string_char proc~scan_string_string scan_string_string interface~scan->proc~scan_string_string interface~pic_optional pic_optional proc~scan_char_string->interface~pic_optional proc~maybe maybe proc~scan_char_string->proc~maybe proc~scan_string_char->interface~pic_optional proc~scan_string_char->proc~maybe proc~scan_string_string->interface~pic_optional proc~scan_string_string->proc~maybe proc~optional_char optional_char interface~pic_optional->proc~optional_char proc~optional_dp optional_dp interface~pic_optional->proc~optional_dp proc~optional_int32 optional_int32 interface~pic_optional->proc~optional_int32 proc~optional_int64 optional_int64 interface~pic_optional->proc~optional_int64 proc~optional_logical optional_logical interface~pic_optional->proc~optional_logical proc~optional_sp optional_sp interface~pic_optional->proc~optional_sp

Module Procedures

private elemental function scan_string_string(string, set, back) result(pos)

Scan a character sequence for any of the characters in a set of characters. In this version both the character sequence and the character set are represented by a string.

Arguments

Type IntentOptional Attributes Name
type(string_type), intent(in) :: string
type(string_type), intent(in) :: set
logical, intent(in), optional :: back

Return Value integer

private elemental function scan_string_char(string, set, back) result(pos)

Scan a character sequence for any of the characters in a set of characters. In this version the character sequences is represented by a string.

Arguments

Type IntentOptional Attributes Name
type(string_type), intent(in) :: string
character(len=*), intent(in) :: set
logical, intent(in), optional :: back

Return Value integer

private elemental function scan_char_string(string, set, back) result(pos)

Scan a character sequence for any of the characters in a set of characters. In this version the set of characters is represented by a string.

Arguments

Type IntentOptional Attributes Name
character(len=*), intent(in) :: string
type(string_type), intent(in) :: set
logical, intent(in), optional :: back

Return Value integer