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Returns a value indicating whether a specified substring occurs within this string.
member Contains :
value: string -> bool
System .Boolean if the true value parameter occurs within this string, or if value is the empty string (""); otherwise, . false
This method performs an ordinal (case-sensitive and culture-insensitive) comparison. The search begins at the first character position of this string and continues through the last character position.
The following example determines whether the string "fox" is a substring of a familiar quotation.
No code example is currently available or this language may not be supported.
Supported in: 4.5, 4, 3.5, 3.0, 2.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
Portable Class Library
Supported in: Portable Class Library
.NET for Windows Store apps
Supported in: Windows 8
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.