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String.IndexOf Method

Reports the zero-based index of the first occurrence of a specified Unicode character or string within this instance. The method returns -1 if the character or string is not found in this instance.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

  Name Description
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(Char) Reports the zero-based index of the first occurrence of the specified Unicode character in this string.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String) Reports the zero-based index of the first occurrence of the specified string in this instance.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(Char, Int32) Reports the zero-based index of the first occurrence of the specified Unicode character in this string. The search starts at a specified character position.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String, Int32) Reports the zero-based index of the first occurrence of the specified string in this instance. The search starts at a specified character position.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String, StringComparison) Reports the zero-based index of the first occurrence of the specified string in the current String object. A parameter specifies the type of search to use for the specified string.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(Char, Int32, Int32) Reports the zero-based index of the first occurrence of the specified character in this instance. The search starts at a specified character position and examines a specified number of character positions.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String, Int32, Int32) Reports the zero-based index of the first occurrence of the specified string this instance. The search starts at a specified character position and examines a specified number of character positions.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String, Int32, StringComparison) Reports the zero-based index of the first occurrence of the specified string in the current String object. Parameters specify the starting search position in the current string and the type of search to use for the specified string.
Public method Supported by Silverlight for Windows Phone Supported by Xbox 360 IndexOf(String, Int32, Int32, StringComparison) Reports the zero-based index of the first occurrence of the specified string in the current String object. Parameters specify the starting search position in the current string, the number of characters in the current string to search, and the type of search to use for the specified string.
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