Instance Method

localizedCaseInsensitiveContains(_:)

Returns a Boolean value indicating whether the string contains a given string by performing a case-insensitive, locale-aware search.

Declaration

func localizedCaseInsensitiveContains(_ str: String) -> Bool

Parameters

str

The string to search for. This value must not be nil.

Return Value

true if the receiver contains str, otherwise false.

See Also

Finding Characters and Substrings

func contains(String) -> Bool

Returns a Boolean value indicating whether the string contains a given string by performing a case-sensitive, locale-unaware search.

func localizedStandardContains(String) -> Bool

Returns a Boolean value indicating whether the string contains a given string by performing a case and diacritic insensitive, locale-aware search.

func rangeOfCharacter(from: CharacterSet) -> NSRange

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

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

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

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

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

func range(of: String) -> NSRange

Finds and returns the range of the first occurrence of a given string within the string.

func range(of: String, options: NSString.CompareOptions = []) -> NSRange

Finds and returns the range of the first occurrence of a given string within the string, subject to given options.

func range(of: String, options: NSString.CompareOptions = [], range: NSRange) -> NSRange

Finds and returns the range of the first occurrence of a given string, within the given range of the string, subject to given options.

func range(of: String, options: NSString.CompareOptions = [], range: NSRange, locale: Locale?) -> NSRange

Finds and returns the range of the first occurrence of a given string within a given range of the string, subject to given options, using the specified locale, if any.

func localizedStandardRange(of: String) -> NSRange

Finds and returns the range of the first occurrence of a given string within the string by performing a case and diacritic insensitive, locale-aware search.