Returns the index of the last occurrence of the specified character in this string.
[Visual Basic] Overloads Public Function LastIndexOf( _ ByVal value As Char, _ ByVal startIndex As Integer, _ ByVal endIndex As Integer _ ) As Integer [C#] public int LastIndexOf( char value, int startIndex, int endIndex ); [C++] public: int LastIndexOf( __wchar_t value, int startIndex, int endIndex ); [JScript] public function LastIndexOf( value : Char, startIndex : int, endIndex : int ) : int;
Value | Condition |
---|---|
The index in the string | If the character is found. |
-1 | If the character is not found. |
Exception Type | Condition |
---|---|
ArgumentNullException | If the character is null. |
ArgumentOutOfRangeException | If either index is less than zero or greater than the length of the string. |
ArgumentOutOfRangeException | If ending position is less than starting position. |
The LastIndexOf method returns the position of the last instance of the specified character in the string from a specified starting position to a specified ending position. This string is traversed backwards from right to left, beginning at startIndex and ending at endIndex. The character at position startIndex and the character at position endIndex are included in the search. The search is case-sensitive.
String Class | String Members | System Namespace | String.LastIndexOf Overload List | Char | Int32