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  4. Delimiters - Is there a simple way

Delimiters - Is there a simple way

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  • H Offline
    H Offline
    haz13
    wrote on last edited by
    #1

    I have a text file of the following format "apple","orange","pear" etc I have tried both char and string seperators but can't think of a way grab the data cleanly without including a " or , . I either end up with "apple" "orange" "pear" or "apple orange pear" The code I have been using. private static char[] charSeperator = new char[] { ',' }; private static string[] strSeperator = new string[] {"\",\""}; strArray = strLine.Split(charSeperator); strArray = strLine.Split(strSeperator,StringSplitOptions.None); Is there a simple way of grabing apple orange and pear from the text file, without having to do further data cleaning? Thanks in advance for any help you can offer

    Haz

    P J L 3 Replies Last reply
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    • H haz13

      I have a text file of the following format "apple","orange","pear" etc I have tried both char and string seperators but can't think of a way grab the data cleanly without including a " or , . I either end up with "apple" "orange" "pear" or "apple orange pear" The code I have been using. private static char[] charSeperator = new char[] { ',' }; private static string[] strSeperator = new string[] {"\",\""}; strArray = strLine.Split(charSeperator); strArray = strLine.Split(strSeperator,StringSplitOptions.None); Is there a simple way of grabing apple orange and pear from the text file, without having to do further data cleaning? Thanks in advance for any help you can offer

      Haz

      P Offline
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      Paul Conrad
      wrote on last edited by
      #2

      You may want to try regular expressions...


      "too much daily WTF for someone..." - Anton Afanasyev

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      • P Paul Conrad

        You may want to try regular expressions...


        "too much daily WTF for someone..." - Anton Afanasyev

        H Offline
        H Offline
        haz13
        wrote on last edited by
        #3

        Sorry Paul what do you mean by regular expressions? I'm only fairly new to this c#

        Haz

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        • H haz13

          Sorry Paul what do you mean by regular expressions? I'm only fairly new to this c#

          Haz

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          Paul Conrad
          wrote on last edited by
          #4

          haz13 wrote:

          what do you mean by regular expressions? I'm only fairly new to this c#

          Being new is cool. Regular expressions are a finite state automaton that work with search patterns, etc. Take a look at this article: Expresso[^]


          "too much daily WTF for someone..." - Anton Afanasyev

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          • H haz13

            Sorry Paul what do you mean by regular expressions? I'm only fairly new to this c#

            Haz

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            Giorgi Dalakishvili
            wrote on last edited by
            #5

            haz13 wrote:

            what do you mean by regular expressions?

            Here: http://en.wikipedia.org/wiki/Regular_expression[^] http://www.regular-expressions.info/[^]

            #region signature my articles #endregion

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            • P Paul Conrad

              haz13 wrote:

              what do you mean by regular expressions? I'm only fairly new to this c#

              Being new is cool. Regular expressions are a finite state automaton that work with search patterns, etc. Take a look at this article: Expresso[^]


              "too much daily WTF for someone..." - Anton Afanasyev

              H Offline
              H Offline
              haz13
              wrote on last edited by
              #6

              Thanks for that info guys, I'll go away and have a read up on it :)

              Haz

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              • G Giorgi Dalakishvili

                haz13 wrote:

                what do you mean by regular expressions?

                Here: http://en.wikipedia.org/wiki/Regular_expression[^] http://www.regular-expressions.info/[^]

                #region signature my articles #endregion

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                Paul Conrad
                wrote on last edited by
                #7

                Giorgi Dalakishvili wrote:

                http://www.regular-expressions.info/\[

                That looks like a bookmark worthy site to me :-D


                "too much daily WTF for someone..." - Anton Afanasyev

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                • H haz13

                  I have a text file of the following format "apple","orange","pear" etc I have tried both char and string seperators but can't think of a way grab the data cleanly without including a " or , . I either end up with "apple" "orange" "pear" or "apple orange pear" The code I have been using. private static char[] charSeperator = new char[] { ',' }; private static string[] strSeperator = new string[] {"\",\""}; strArray = strLine.Split(charSeperator); strArray = strLine.Split(strSeperator,StringSplitOptions.None); Is there a simple way of grabing apple orange and pear from the text file, without having to do further data cleaning? Thanks in advance for any help you can offer

                  Haz

                  J Offline
                  J Offline
                  jblouir
                  wrote on last edited by
                  #8

                  using System.Text.RegularExpressions; // the namespace for using Substring strArray = strLine.Split(new char[] { ',' }; // Use this still, but with the modifications below foreach (string fruit in strArray) // a loop that runs for every piece of fruit in strArray { int fruitlength = fruit.Length; // getting the length of the fruit string fruitlength = fruitlength - 2; // subtracting 2 because of quotes string trimmedfruit = fruit; trimmedfruit = fruit.Substring(1,fruitlength); // basically the method Substring(start,length) // and the first letter starts at 0 and length is how many you want to cut out // so I took the total length of string "apple", subtracted 2 because of quotes // then started the trim at 1 just after the first qoute and pulled out all the letters // minus the qoutes }

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                  • J jblouir

                    using System.Text.RegularExpressions; // the namespace for using Substring strArray = strLine.Split(new char[] { ',' }; // Use this still, but with the modifications below foreach (string fruit in strArray) // a loop that runs for every piece of fruit in strArray { int fruitlength = fruit.Length; // getting the length of the fruit string fruitlength = fruitlength - 2; // subtracting 2 because of quotes string trimmedfruit = fruit; trimmedfruit = fruit.Substring(1,fruitlength); // basically the method Substring(start,length) // and the first letter starts at 0 and length is how many you want to cut out // so I took the total length of string "apple", subtracted 2 because of quotes // then started the trim at 1 just after the first qoute and pulled out all the letters // minus the qoutes }

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                    Christian Graus
                    wrote on last edited by
                    #9

                    jblouir wrote:

                    using System.Text.RegularExpressions; // the namespace for using Substring

                    Sorry, but, what are you thinking ? Substring is a method on a class, you don't need a namespace to call it. string trimmedFruit = fruit.Replace("\"", ""); is even easier.

                    Christian Graus - Microsoft MVP - C++ Metal Musings - Rex and my new metal blog "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

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                    • C Christian Graus

                      jblouir wrote:

                      using System.Text.RegularExpressions; // the namespace for using Substring

                      Sorry, but, what are you thinking ? Substring is a method on a class, you don't need a namespace to call it. string trimmedFruit = fruit.Replace("\"", ""); is even easier.

                      Christian Graus - Microsoft MVP - C++ Metal Musings - Rex and my new metal blog "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

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                      J Offline
                      jblouir
                      wrote on last edited by
                      #10

                      Your right, didn't realise. Still learning, on week 1 and a half now. At the point when I was learning how to use regular expressions I must have stumbled on to substring and assumed it was part of the namespace. and I didn't know replace even existed

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                      • J jblouir

                        Your right, didn't realise. Still learning, on week 1 and a half now. At the point when I was learning how to use regular expressions I must have stumbled on to substring and assumed it was part of the namespace. and I didn't know replace even existed

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                        jblouir
                        wrote on last edited by
                        #11

                        If you didnt understand his code above. string trimmedFruit = fruit.Replace("\"", ""); its basically a \" in there so every " it finds it replaces it with "" // e.g. null using the \ allows you to put a " in the string text

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                        • H haz13

                          I have a text file of the following format "apple","orange","pear" etc I have tried both char and string seperators but can't think of a way grab the data cleanly without including a " or , . I either end up with "apple" "orange" "pear" or "apple orange pear" The code I have been using. private static char[] charSeperator = new char[] { ',' }; private static string[] strSeperator = new string[] {"\",\""}; strArray = strLine.Split(charSeperator); strArray = strLine.Split(strSeperator,StringSplitOptions.None); Is there a simple way of grabing apple orange and pear from the text file, without having to do further data cleaning? Thanks in advance for any help you can offer

                          Haz

                          L Offline
                          L Offline
                          Life as a Coder
                          wrote on last edited by
                          #12

                          haz13 wrote:

                          I have tried both char and string separators but can't think of a way grab the data cleanly without including a " or , . I either end up with "apple" "orange" "pear" or "apple orange pear"

                          I used similar code to split it. Heres some code, maybe it can help u. Input text same as u : "apple","orange","pear" etc assume the string named "str"

                          string[] strArray = str.split(',');
                          for (int i=0;i

                          Training makes perfect....

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