How to use char functions in VB.NET
In this article we will learn how to use char functions in VB.NET.
In this article we will learn how to use char functions in VB.NET.
Char Functions
These are the following Char functions.
Char.ToUpper() Function
The ToUpper function is used to convert lowercase character to uppercase.
Syntax
char.ToUpper ("s")
This function returns a copy of the character in uppercase.
Char.IsDigit()
The IsDigit method Indicates whether the specified Unicode character is categorized as a decimal digit.
Syntax
Char.IsDigit (Char1)
This function returns true if str1 is a decimal digit, otherwise, false.
Char.Equals() Function
The Equals method is used to check whether this instance is equal to a specified object.
For example
The below example defines the char Functions.
Module Module1
Sub Main()
Dim str As Char
str = Char.ToUpper("a")
Console.WriteLine("This defines the Toupper function: " & str)
Dim Char1 As Char
Char1 = "8"
If Char.IsDigit(Char1) Then
Console.WriteLine("The character is a digit.")
Else
Console.WriteLine("The character is a letter or symbol.")
End If
Dim chA As Char
chA = "A"c
Dim chB As Char
chB = "B"c
Console.WriteLine(chA.Equals("A"c))
Console.WriteLine("b"c.Equals(chB))
End Sub
End Module
OUTPUT
Figure 1.