String.IndexOfAny Method (Char[], Int32, Int32)
Reports the index number, or character position, of the first 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 IndexOfAny (
char[] anyOf,
intstartIndex,
intcount
)
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 first 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 startIndex and continues to startIndex + count -1. The character at startIndex + count is not included in the search.
Index numbering starts at 0 (zero). The search ranges from startIndex to the end of the string.
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, and 4.1.