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Char.IsLower Method (Char)

Indicates whether the specified Unicode character is categorized as a lowercase letter.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public static bool IsLower (
	char c
)
public static boolean IsLower (
	char c
)
public static function IsLower (
	c : char
) : boolean
Not applicable.

Parameters

c

A Unicode character.

Return Value

true if c is a lowercase letter; otherwise, false.

Valid lowercase letters are members of the following category in UnicodeCategory: LowercaseLetter.

The following code example demonstrates IsLower.

using System;

public class IsLowerSample {
	public static void Main() {
		char ch = 'a';

		Console.WriteLine(Char.IsLower(ch));				// Output: "True"
		Console.WriteLine(Char.IsLower("upperCase", 5));	// Output: "False"
	}
}

import System.*;

public class IsLowerSample
{
    public static void main(String[] args)
    {
        char ch = 'a';
      
        Console.WriteLine(Char.IsLower(ch));                // Output: "True"
        Console.WriteLine(Char.IsLower("upperCase", 5));    // Output: "False"
    } //main
} //IsLowerSample

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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