String.IndexOf Method (String, 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.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
[MethodImplAttribute]
public int IndexOf (
string value,
int startIndex
)
Parameters
- value
The String object you want to find. - startIndex
The starting index number for the search.
Return Value
The character position of the value parameter if the specified string is found, or -1 if it is not found. If value is empty, the return value is startIndex.
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.