String.LastIndexOfAny Method (Char[], Int32, Int32)
Reports the index number, or character position, of the last occurrence in the current String object of any character within a specified array of Unicode characters. The search starts at a specified character position and examines a specified number of character positions.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
[MethodImplAttribute]
public int LastIndexOfAny (
char[] anyOf,
int startIndex,
int count
)
Parameters
- anyOf
An array of Unicode characters, any one or more of whose characters you want to find in the current String object. - startIndex
The starting index number for the search. - count
The number of character positions to be examined.
Return Value
The character position of the last occurrence in the current String object of any character within the specified array, or -1 if no such character is found.
Remarks
The search begins at the startIndex character position in the current String object and proceeds backward toward the beginning of the string until either a character in the anyOf parameter is found or the number of character positions specified in the count parameter have been examined (whichever occurs first).
Index numbering starts at 0 (zero).
The search for the anyOf parameter is both case-sensitive and culture-sensitive.
Version Information
Available in the .NET Micro Framework versions 2.0, 2.5, 3.0, 4.0, 4.1, and 4.2.