Filter letter and digit : Char « Data Types « C# / C Sharp






Filter letter and digit

        


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlTypes;

public class CommonUtility
{
    public static string MakeAlphaNumeric(string text)
    {
        StringBuilder filteredText = new StringBuilder();
        StringBuilder newText = new StringBuilder(text);
        for (int i = 0; i < newText.Length; i++)
        {
            if (char.IsLetterOrDigit(newText[i]))
                filteredText = filteredText.Append(newText[i]);
        }
        return filteredText.ToString();
    }
}

   
    
    
    
    
    
    
    
  








Related examples in the same category

1.Get char type: control, digit, letter, number, punctuation, surrogate, symbol and white spaceGet char type: control, digit, letter, number, punctuation, surrogate, symbol and white space
2.Determining If A Character Is Within A Specified RangeDetermining If A Character Is Within A Specified Range
3.Is a char in a range: Case InsensitiveIs a char in a range: Case Insensitive
4.Is a char in a range ExclusivelyIs a char in a range Exclusively
5.Using Char
6.Escape Characters
7.A stack class for charactersA stack class for characters
8.Encode or decode a message
9.Demonstrate several Char methodsDemonstrate several Char methods
10.Demonstrate the ICharQ interface: A character queue interfaceDemonstrate the ICharQ interface: A character queue interface
11.A set class for charactersA set class for characters
12.A queue class for charactersA queue class for characters
13.IsDigit, IsLetter, IsWhiteSpace, IsLetterOrDigit, IsPunctuation
14.Char: Get Unicode Category
15.Char.IsLowSurrogate(), IsHighSurrogate(), IsSurrogatePair() method
16.demonstrates IsSymbol.
17.Buffer for characters
18.Test an input character if it is contained in a character list.
19.Is vowel char
20.First Char Upper