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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 (
         stringvalue,
         intstartIndex,
         intcount
)

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, and 4.1.

See Also

Reference

String Class
String Members
System Namespace