String.IndexOf Method (String, Int32, Int32)
Reports the index number, or character position, of the first occurrence of the specified String object in the current String object. 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 IndexOf (
string value,
int startIndex,
int count
)
Parameters
- value
The String object you want to find. - startIndex
The starting index number for the search. - count
The number of character positions to be examined.
Return Value
The character position of the value parameter if the specified String object is found, or -1 if it is not found.
Remarks
Index numbering starts at 0 (zero). The search ranges from startIndex to the end of the string.
The search for the value 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.