| | | Filter letter and digit |
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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();
}
}
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| Related examples in the same category |
| 1. | Get char type: control, digit, letter, number, punctuation, surrogate, symbol and white space | |  | | 2. | Determining If A Character Is Within A Specified Range | |  | | 3. | Is a char in a range: Case Insensitive | |  | | 4. | Is a char in a range Exclusively | |  | | 5. | Using Char | | | | 6. | Escape Characters | | | | 7. | A stack class for characters | |  | | 8. | Encode or decode a message | | | | 9. | Demonstrate several Char methods | |  | | 10. | Demonstrate the ICharQ interface: A character queue interface | |  | | 11. | A set class for characters | |  | | 12. | A 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 | | |
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