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Question regarding C#

Scheduled Pinned Locked Moved C#
csharptutorialquestion
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  • R Rob Philpott

    Any reason for the RegEx rather than just string.Split?

    Regards, Rob Philpott.

    OriginalGriffO Offline
    OriginalGriffO Offline
    OriginalGriff
    wrote on last edited by
    #5

    Because the syntax you have to use to split on string(s) rather than character(s) is so damn clumsy: :laugh:

            string\[\] parts = input.Split(new string\[\] { " Is " }, StringSplitOptions.None);
    

    Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

    "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
    "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

    R 1 Reply Last reply
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    • M Member 11532095

      How to split a String on the basis of a specific word... which means a string: My Name Is Ali i want to split the string when ever Is comes.

      A Offline
      A Offline
      Abdulnazark
      wrote on last edited by
      #6

      try this string s="test1 ali test2 ali"; string[] parts = s.Replace("ali", "/").Split('/');

      P 1 Reply Last reply
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      • A Abdulnazark

        try this string s="test1 ali test2 ali"; string[] parts = s.Replace("ali", "/").Split('/');

        P Offline
        P Offline
        Pete OHanlon
        wrote on last edited by
        #7

        And what happens when s contains "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here"?

        A 1 Reply Last reply
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        • P Pete OHanlon

          And what happens when s contains "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here"?

          A Offline
          A Offline
          Abdulnazark
          wrote on last edited by
          #8

          static void Main(string[] args) { String s = "aaa ali jskdfhskjdfhk ali sjkhfkjsfhkjsdh ali"; var regex = new Regex("ali", RegexOptions.IgnoreCase); var s1 = regex.Replace(s, "/"); string[] parts = s1.Split('/'); for (int i = 0; i < parts.Length; i++) Console.WriteLine(parts[i]); Console.ReadLine(); }

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          • A Abdulnazark

            static void Main(string[] args) { String s = "aaa ali jskdfhskjdfhk ali sjkhfkjsfhkjsdh ali"; var regex = new Regex("ali", RegexOptions.IgnoreCase); var s1 = regex.Replace(s, "/"); string[] parts = s1.Split('/'); for (int i = 0; i < parts.Length; i++) Console.WriteLine(parts[i]); Console.ReadLine(); }

            P Offline
            P Offline
            Pete OHanlon
            wrote on last edited by
            #9

            Nope, that's still wrong. Seriously, try it out with the sentence I gave you. There's only one occurrence of the word Ali in that sentence, but "ali" appears as a substring in other words. So, you should only get two phrases - your version returns 4 and you are corrupting the string so characters are being removed.

            A 2 Replies Last reply
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            • P Pete OHanlon

              Nope, that's still wrong. Seriously, try it out with the sentence I gave you. There's only one occurrence of the word Ali in that sentence, but "ali" appears as a substring in other words. So, you should only get two phrases - your version returns 4 and you are corrupting the string so characters are being removed.

              A Offline
              A Offline
              Abdulnazark
              wrote on last edited by
              #10

              i tried with your string 'My Name Is Ali' also and it return 'My Name Is'

              P 1 Reply Last reply
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              • P Pete OHanlon

                Nope, that's still wrong. Seriously, try it out with the sentence I gave you. There's only one occurrence of the word Ali in that sentence, but "ali" appears as a substring in other words. So, you should only get two phrases - your version returns 4 and you are corrupting the string so characters are being removed.

                A Offline
                A Offline
                Abdulnazark
                wrote on last edited by
                #11

                http://stackoverflow.com/questions/6025560/how-to-ignore-case-in-string-replace

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                • OriginalGriffO OriginalGriff

                  Because the syntax you have to use to split on string(s) rather than character(s) is so damn clumsy: :laugh:

                          string\[\] parts = input.Split(new string\[\] { " Is " }, StringSplitOptions.None);
                  

                  Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

                  R Offline
                  R Offline
                  Rob Philpott
                  wrote on last edited by
                  #12

                  Fair point... There is a rather obvious overload missing.

                  Regards, Rob Philpott.

                  1 Reply Last reply
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                  • A Abdulnazark

                    i tried with your string 'My Name Is Ali' also and it return 'My Name Is'

                    P Offline
                    P Offline
                    Pete OHanlon
                    wrote on last edited by
                    #13

                    You seem to be confusing me with the original poster. My string was "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here". Try that one.

                    A 1 Reply Last reply
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                    • P Pete OHanlon

                      You seem to be confusing me with the original poster. My string was "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here". Try that one.

                      A Offline
                      A Offline
                      Abdulnazark
                      wrote on last edited by
                      #14

                      Now i got you, please try bellow

                      static void Main(string[] args)
                      {
                      String s = "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here";
                      string pattern = @"\bali\b";
                      string replace = "/";
                      var s1 = Regex.Replace(s, pattern, replace, RegexOptions.IgnoreCase);
                      string[] parts = s1.Split('/');
                      for (int i = 0; i < parts.Length; i++)
                      Console.WriteLine(parts[i]+ i.ToString());
                      Console.ReadLine();

                          }
                      
                      Richard DeemingR 1 Reply Last reply
                      0
                      • A Abdulnazark

                        Now i got you, please try bellow

                        static void Main(string[] args)
                        {
                        String s = "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here";
                        string pattern = @"\bali\b";
                        string replace = "/";
                        var s1 = Regex.Replace(s, pattern, replace, RegexOptions.IgnoreCase);
                        string[] parts = s1.Split('/');
                        for (int i = 0; i < parts.Length; i++)
                        Console.WriteLine(parts[i]+ i.ToString());
                        Console.ReadLine();

                            }
                        
                        Richard DeemingR Offline
                        Richard DeemingR Offline
                        Richard Deeming
                        wrote on last edited by
                        #15

                        Using the Regex.Split method[^] (as OG suggested[^]) is a better solution:

                        string input = "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here";
                        string pattern = @"\bali\b";

                        string[] parts = Regex.Split(input, pattern, RegexOptions.IgnoreCase);


                        "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                        "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

                        A 1 Reply Last reply
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                        • Richard DeemingR Richard Deeming

                          Using the Regex.Split method[^] (as OG suggested[^]) is a better solution:

                          string input = "the bestiality displayed by the main character, Ali, suggests that there is a causality at stake here";
                          string pattern = @"\bali\b";

                          string[] parts = Regex.Split(input, pattern, RegexOptions.IgnoreCase);


                          "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                          A Offline
                          A Offline
                          Abdulnazark
                          wrote on last edited by
                          #16

                          thanks..

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