IndexOfAny Method (Char[])

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Reports the zero-based index of the first occurrence in this instance of any character in a specified array of Unicode characters.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public int IndexOfAny(
	char[] anyOf


Type: array<System..::..Char>[]()[][]
A Unicode character array containing one or more characters to seek.

Return Value

Type: System..::..Int32
The zero-based index position of the first occurrence in this instance where any character in anyOf was found; -1 if no character in anyOf was found.

Index numbering starts from zero.

The search for anyOf is case-sensitive.