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StringIndexOfAny Method (Char, Int32)
Reports the zero-based index of the first occurrence in this instance of any character in a specified array of Unicode characters. The search starts at a specified character position.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax
C#
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public int IndexOfAny(
	char[] anyOf,
	int startIndex
)

Parameters

anyOf
Type: SystemChar
A Unicode character array containing one or more characters to seek.
startIndex
Type: SystemInt32
The search starting position.

Return Value

Type: 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.
Exceptions
ExceptionCondition
ArgumentNullExceptionanyOf is null.
ArgumentOutOfRangeExceptionstartIndex is negative.-or- startIndex is greater than the number of characters in this instance.
See Also