Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

CompareInfo::IsSuffix Method (String, String, CompareOptions)

Determines whether the specified source string ends with the specified suffix using the specified CompareOptions value.

Namespace:  System.Globalization
Assemblies:   System.Globalization (in System.Globalization.dll)
  mscorlib (in mscorlib.dll)

public:
virtual bool IsSuffix(
	String^ source, 
	String^ suffix, 
	CompareOptions options
)

Parameters

source
Type: System::String

The string to search in.

suffix
Type: System::String

The string to compare with the end of source.

options
Type: System.Globalization::CompareOptions

A value that defines how source and suffix should be compared. options is either the enumeration value Ordinal used by itself, or the bitwise combination of one or more of the following values: IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, and IgnoreKanaType.

Return Value

Type: System::Boolean
true if the length of suffix is less than or equal to the length of source and source ends with suffix; otherwise, false.

ExceptionCondition
ArgumentNullException

source is nullptr.

-or-

suffix is nullptr.

ArgumentException

options contains an invalid CompareOptions value.

Every string starts and ends with an empty substring (""); therefore, if suffix is an empty string, this method returns true.

The CompareOptions::StringSort value is not valid for this method.

NoteNote

When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify CompareOptions::Ordinal or CompareOptions::OrdinalIgnoreCase for security comparisons.

The following example determines whether a string is the prefix or suffix of another string using CompareOptions.

using namespace System;
using namespace System::Globalization;
int main()
{

   // Defines the strings to compare.
   String^ myStr1 = "calle";
   String^ myStr2 = "llegar";
   String^ myXfix = "LLE";

   // Uses the CompareInfo property of the InvariantCulture.
   CompareInfo^ myComp = CultureInfo::InvariantCulture->CompareInfo;
   Console::WriteLine( "IsSuffix \"{0}\", \"{1}\"", myStr1, myXfix );
   Console::WriteLine( "   With no CompareOptions            : {0}", myComp->IsSuffix( myStr1, myXfix ) );
   Console::WriteLine( "   With None                         : {0}", myComp->IsSuffix( myStr1, myXfix, CompareOptions::None ) );
   Console::WriteLine( "   With Ordinal                      : {0}", myComp->IsSuffix( myStr1, myXfix, CompareOptions::Ordinal ) );
   Console::WriteLine( "   With IgnoreCase                   : {0}", myComp->IsSuffix( myStr1, myXfix, CompareOptions::IgnoreCase ) );
   Console::WriteLine( "IsPrefix \"{0}\", \"{1}\"", myStr2, myXfix );
   Console::WriteLine( "   With no CompareOptions            : {0}", myComp->IsPrefix( myStr2, myXfix ) );
   Console::WriteLine( "   With None                         : {0}", myComp->IsPrefix( myStr2, myXfix, CompareOptions::None ) );
   Console::WriteLine( "   With Ordinal                      : {0}", myComp->IsPrefix( myStr2, myXfix, CompareOptions::Ordinal ) );
   Console::WriteLine( "   With IgnoreCase                   : {0}", myComp->IsPrefix( myStr2, myXfix, CompareOptions::IgnoreCase ) );
}

/*
This code produces the following output.

IsSuffix "calle", "LLE"
   With no CompareOptions            : False
   With None                         : False
   With Ordinal                      : False
   With IgnoreCase                   : True
IsPrefix "llegar", "LLE"
   With no CompareOptions            : False
   With None                         : False
   With Ordinal                      : False
   With IgnoreCase                   : True
*/

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
Show:
© 2015 Microsoft