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rangeOfCharacter(from:options:)

Finds and returns the range in the string of the first character, using given options, from a given character set.

Declaration

func rangeOfCharacter(from searchSet: CharacterSet, options mask: NSString.CompareOptions = []) -> NSRange

Parameters

  • searchSet:

    A character set. This value must not be nil.

    Raises an NSInvalidArgumentException if aSet is nil.

  • mask:

    A mask specifying search options. The following options may be specified by combining them with the C bitwise OR operator: Anchored, Backwards.

Return Value

The range in the receiver of the first character found from aSet. Returns a range of {``NSNotFound``, 0} if none of the characters in aSet are found.

Discussion

Invokes rangeOfCharacter(from:options:range:) with mask for the options and the entire extent of the receiver for the range.

See Also

Finding Characters and Substrings