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| Demonstrate several Char methods |
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/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate several Char methods.
using System;
public class CharDemo {
public static void Main() {
string str = "This is a test. $23";
int i;
for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsDigit(str[i]))
Console.Write(" digit");
if(Char.IsLetter(str[i]))
Console.Write(" letter");
if(Char.IsLower(str[i]))
Console.Write(" lowercase");
if(Char.IsUpper(str[i]))
Console.Write(" uppercase");
if(Char.IsSymbol(str[i]))
Console.Write(" symbol");
if(Char.IsSeparator(str[i]))
Console.Write(" separator");
if(Char.IsWhiteSpace(str[i]))
Console.Write(" whitespace");
if(Char.IsPunctuation(str[i]))
Console.Write(" punctuation");
Console.WriteLine();
}
Console.WriteLine("Original: " + str);
// Convert to upper case.
string newstr = "";
for(i=0; i < str.Length; i++)
newstr += Char.ToUpper(str[i]);
Console.WriteLine("Uppercased: " + newstr);
}
}
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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 the ICharQ interface: A character queue interface | |  | | 10. | A set class for characters | |  | | 11. | A queue class for characters | |  | | 12. | IsDigit, IsLetter, IsWhiteSpace, IsLetterOrDigit, IsPunctuation | | | | 13. | Char: Get Unicode Category | | | | 14. | Char.IsLowSurrogate(), IsHighSurrogate(), IsSurrogatePair() method | | | | 15. | demonstrates IsSymbol. | | | | 16. | Buffer for characters | | | | 17. | Test an input character if it is contained in a character list. | | | | 18. | Is vowel char | | |
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