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| 1 | using System; | |
| 2 | using System.Collections.Generic; | |
| 3 | using System.Linq; | |
| 4 | using System.Text; | |
| 5 | using System.Threading.Tasks; | |
| 6 | ||
| 7 | namespace ConsoleStrings | |
| 8 | {
| |
| 9 | class Stringklasse | |
| 10 | {
| |
| 11 | private string str1; | |
| 12 | ||
| 13 | public Stringklasse(string str1) | |
| 14 | {
| |
| 15 | this.str1 = str1; | |
| 16 | } | |
| 17 | ||
| 18 | public bool IsPalindroom() | |
| 19 | {
| |
| 20 | bool palindroom = true; | |
| 21 | for (int i = 1; i < str1.Length / 2; i++) | |
| 22 | {
| |
| 23 | if (str1[i] != str1[str1.Length - i]) | |
| 24 | palindroom = false; | |
| 25 | } | |
| 26 | return palindroom; | |
| 27 | } | |
| 28 | ||
| 29 | public bool IsBinair() | |
| 30 | {
| |
| 31 | bool binair = true; | |
| 32 | for (int i = 1; i < str1.Length; i++) | |
| 33 | {
| |
| 34 | if (str1[i] != '1' && str1[i] != '0') | |
| 35 | binair = false; | |
| 36 | } | |
| 37 | return binair; | |
| 38 | } | |
| 39 | ||
| 40 | public bool BinToDec() | |
| 41 | {
| |
| 42 | int decimaal=0; | |
| 43 | int gewicht = 1; | |
| 44 | if (IsBinair() == false) | |
| 45 | return false; | |
| 46 | for (int i = str1.Length-1; i >=0; i--) | |
| 47 | {
| |
| 48 | decimaal += ((str1[i])-48) * gewicht; | |
| 49 | gewicht *= 2; | |
| 50 | } | |
| 51 | Console.WriteLine(decimaal); | |
| 52 | return true; | |
| 53 | } | |
| 54 | ||
| 55 | public bool IsHexadec() | |
| 56 | {
| |
| 57 | bool hexadec = true; | |
| 58 | str1=str1.ToUpper(); | |
| 59 | for (int i=1;i<str1.Length;i++) | |
| 60 | {
| |
| 61 | char c = str1[i]; | |
| 62 | - | (c >= 'a' && c <= 'f') || |
| 62 | + | |
| 63 | (c >= 'A' && c <= 'F')); | |
| 64 | if(!hexadec) | |
| 65 | return false; | |
| 66 | } | |
| 67 | return hexadec; | |
| 68 | //return System.Text.RegularExpressions.Regex.IsMatch(str1, @"\A\b[0-9a-fA-F]+\b\Z"); | |
| 69 | } | |
| 70 | ||
| 71 | public bool HexaToDec() | |
| 72 | {
| |
| 73 | int decimaal = 0; | |
| 74 | int gewicht = 1; | |
| 75 | int waarde = 0; | |
| 76 | if (!IsHexadec()) | |
| 77 | return false; | |
| 78 | for ( int i = str1.Length - 1;i>=0;i--) | |
| 79 | {
| |
| 80 | if (str1[i] >= '0' && str1[i] <= '9') | |
| 81 | waarde = str1[i] - 48; | |
| 82 | else if (str1[i] >= 'A' && str1[i] <= 'F') | |
| 83 | waarde = str1[i] - 55; | |
| 84 | decimaal = waarde * gewicht; | |
| 85 | gewicht *= 16; | |
| 86 | } | |
| 87 | Console.WriteLine(decimaal); | |
| 88 | return true; | |
| 89 | } | |
| 90 | } | |
| 91 | } |
