Mono Class Library: System.String Overview | Members

System.String.LastIndexOf Method

Returns the index of the last occurrence of a specified string in the provided range of the current instance. [Edit]

public int LastIndexOf (string value, int startIndex, int count)

Parameters

value
The substring to search for. [Edit]
startIndex
A int containing the index of the current instance from which to start searching. [Edit]
count
A int containing the range of the current instance at which to end searching. [Edit]

Returns

A int that indicates the result of the search for value in the current instance as follows:
Return ValueDescription
A zero-based number equal to the index of the start of the last substring in the current instance that is equal to value .value was found.
-1value was not found.
[Edit]

Exceptions

TypeReason
ArgumentNullExceptionvalue is a null reference. [Edit]
ArgumentOutOfRangeException

startIndex or count is less than zero.

-or-

startIndex - count is smaller than -1.

[Edit]

Remarks

The search begins at startIndex and continues until startIndex - count + 1.

This method is case-sensitive.

[Edit]

Requirements

Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0