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VB.Net Count Character Occurrence

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How To Count Specific Character Occurrence In A String Using Visual Basic.Net 

vb.net specific char count
In This VB.Net Tutorial  We Will See How To Count The Number Of Selected Char Occurrences In A TextBox Text Using Visual Basic.Net Programming Language And Visual Studio Editor.


Project Source Code:

Public Class FormCharOccurrence

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim txt As String
        txt = TextBox1.Text

        Dim occurrence As Integer
        occurrence = 0

        For i As Integer = 0 To txt.Length - 1

            If txt(i) = TextBox2.Text.ToCharArray()(0) Then

                occurrence += 1

            End If

        Next

        MsgBox(occurrence)

    End Sub
End Class


///////////////OUTPUT:

















































vb/net count char occurrences



  
  
  
  
  
  
    
    








    
    


  
  
  
  
  
  
  
  
  
















            

          

          

        

          

        













Java Remove String First Or Last Char















 Add Comment 






















How To Delete String First / Last Character Using Java NetBeans











































delete first or last character using java





















































In this Java Tutorial we will see How To Delete The Char At The beginning Or The End Of A JTextFields Text ,On Jbutton Click Event The Program Will Remove Text Letter By Letter In Java NetBeans .



















Project Source Code:











// remove first character



private void jButtonRFActionPerformed(java.awt.event.ActionEvent evt) {                                          



       



        if(jTextField1.getText().length() > 0)



        {



         String txtMinusFirstChar = jTextField1.getText().substring(1, jTextField1.getText().length());



         jTextField1.setText(txtMinusFirstChar);    



        }



        



        



    }                                         







// remove last character



    private void jButtonRLActionPerformed(java.awt.event.ActionEvent evt) {                                          



      



        if(jTextField1.getText().length() > 0)



        {



         String txtMinusLastChar = jTextField1.getText().substring(0, jTextField1.getText().length() - 1);



         jTextField1.setText(txtMinusLastChar);    



        }



        



    }                                         











// remove first & last character



    private void jButtonRFLActionPerformed(java.awt.event.ActionEvent evt) {                                           



       



        if(jTextField1.getText().length() > 1)



        {



         String txtMinusLFChar = jTextField1.getText().substring(1, jTextField1.getText().length() - 1);



         jTextField1.setText(txtMinusLFChar);    



        }else{



            jTextField1.setText("");



        }



        



    } 




OutPut:



java delete first & last char





















  
  
  
    
              








    
    


  
  
  
  
  
















            

          

          

        

          

        













Java Count Character Occurrence

















 Add Comment 


























































How To Count Specific Character Occurrence In A String Using Java 





























java specific char count







In This Java Tutorial  We Will See How To Count The Number Of Selected Char Occurrences In A JTextField Text Using Java Programming Language And NetBeans Editor.















Project Source Code:







private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         



        



        String txt = jTextField1.getText().toLowerCase();



        int occurrence = 0;



        for(int i = 0; i < txt.length(); i++)



        {



            if(txt.charAt(i) == jTextFieldChar.getText().toLowerCase().charAt(0)){



                occurrence++;



            }



            



        }



        jTextFieldResult.setText( Integer.toString(occurrence));



        



    }











///////////////OUTPUT:





































































java count specific char Occurrence



  
  
  
      








    
    


  
  
  
















            

          

          

        

          

        













C# Count Character Occurrence

















 Add Comment 


























































How To Count Specific Character Occurrence In A String Using C# 

















C# Number Of Char Occurrences



















In This C# Tutorial  We Will See How To Count The Number Of Selected Char Occurrences In A TextBox Text Using CSharp Programming Language And Visual Studio Editor.















Project Source Code:







using System;



using System.Collections.Generic;



using System.ComponentModel;



using System.Data;



using System.Drawing;



using System.Linq;



using System.Text;



using System.Threading.Tasks;



using System.Windows.Forms;







namespace WindowsFormsApplication1



{



    public partial class CharOccurrence : Form



    {



        public CharOccurrence()



        {



            InitializeComponent();



        }







        private void button1_Click(object sender, EventArgs e)



        {



            string txt = textBox1.Text;







            int occurrence = 0;







            for(int i = 0; i < txt.Length; i++)



            {



                if (txt[i] == textBox2.Text.ToCharArray()[0])



                {



                    occurrence++;



                }







            }



            MessageBox.Show(occurrence.ToString());







        }



    }



}















///////////////OUTPUT:













specific char number in a string using c#



























































  
  
    








    
    


  
  
  
















            

          

          

        

          

        













Javascript Count Character Occurrence
















 Add Comment 






















How To Count Specific Character Occurrence In A String Using Javascript 

























Number Of Specific Char In A String Using Javascript





















































In This Javascript Tutorial we will See How To Count The Number Of Selected Char Occurrences In A Text Using JS And Netbeans Editor .















Project Source Code:







    



<!DOCTYPE html>



<html>



    <head>



        <title>Javascript Tutorial</title>



        <meta charset="windows-1252">



        <meta name="viewport" content="width=device-width, initial-scale=1.0">



    </head>



    <body>



        <p>Put Your Text Here To Search On It</p>







        <script>



            



            var txt = "Put Your Text Here To Search On It",



                count = 0;



            



            for(var i = 0; i < txt.length; i++){



                



                if(txt.charAt(i) === 'r'){



                    count++;



                }



                



            }



            console.log(count);



            



        </script>



     



    </body>



</html>





















OUTPUT: 3








































































































    















            

          

          

        

          

        













Javascript Remove First Or Last Character In A String
















 Add Comment 






















How To Delete A Char From The Start Or The End Of A String Using Javascript  

























delete a character from the start or the end of a string using javascript





























































In This Javascript Tutorial we will See How To Delete The Char At The Beginning Of A String Or At The End On Button Click Event In JS And Netbeans Editor .















Project Source Code:







    



<!DOCTYPE html>



<html>



    <head>



        <title>Javascript: Clear Char</title>



        <meta charset="windows-1252">



        <meta name="viewport" content="width=device-width, initial-scale=1.0">



    </head>



    <body>



        



        <p id="pText">0123456789</p>



        <button onclick="clearChar()">clear</button>



        



        <script>



            



            function clearChar(){



                



                var pt = document.getElementById("pText");



                // remove char from the beginning



                pt.innerHTML = pt.innerHTML.substring(1,pt.innerHTML.length);



                //



                // remove char from the end



                pt.innerHTML = pt.innerHTML.substring(0,pt.innerHTML.length-1);



                



            }



            



        </script>    



    </body>



</html>





















































  
  










    















        

      















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