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Split a String at prompt "."

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  • RatzzR Ratzz

    @meikelneit

    This way ?

    QStringList list1 = str.split('.');
    CP71C Offline
    CP71C Offline
    CP71
    wrote on last edited by
    #5

    @Ratzz
    Hi,
    this works well in my code:

    QStringList data = info.split(";");

    RatzzR 1 Reply Last reply
    0
    • M Offline
      M Offline
      meikelneit
      wrote on last edited by meikelneit
      #6

      I just hitted my dot button :P, how do i know if its a char or a string? Shall i use the Hexcode of the Ascii?

      ps: yes ";" is no Problem. Try it with "."

      CP71C J.HilkJ RatzzR 3 Replies Last reply
      0
      • M meikelneit

        I just hitted my dot button :P, how do i know if its a char or a string? Shall i use the Hexcode of the Ascii?

        ps: yes ";" is no Problem. Try it with "."

        CP71C Offline
        CP71C Offline
        CP71
        wrote on last edited by
        #7

        @meikelneit
        I hope I understand your problem, my English isn't good :(
        Anyway, It works well with "."

        0_1550142606010_ca78cde0-2fb8-4702-bbea-c462873db468-image.png

        1 Reply Last reply
        1
        • M meikelneit

          I just hitted my dot button :P, how do i know if its a char or a string? Shall i use the Hexcode of the Ascii?

          ps: yes ";" is no Problem. Try it with "."

          J.HilkJ Offline
          J.HilkJ Offline
          J.Hilk
          Moderators
          wrote on last edited by
          #8

          @meikelneit said in Split a String at prompt ".":

          how do i know if its a char or a string?

          "." -> implicit QString
          '.' -> implicit QChar

          QString(".");
          QChar('.');

          ' more than 1 character' -> Compiler error.


          Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


          Q: What's that?
          A: It's blue light.
          Q: What does it do?
          A: It turns blue.

          1 Reply Last reply
          4
          • CP71C CP71

            @Ratzz
            Hi,
            this works well in my code:

            QStringList data = info.split(";");

            RatzzR Offline
            RatzzR Offline
            Ratzz
            wrote on last edited by
            #9

            @CP71 said in Split a String at prompt ".":

            this works well in my code:

            Are you trying to split an ; ?

            --Alles ist gut.

            CP71C 1 Reply Last reply
            0
            • M meikelneit

              I just hitted my dot button :P, how do i know if its a char or a string? Shall i use the Hexcode of the Ascii?

              ps: yes ";" is no Problem. Try it with "."

              RatzzR Offline
              RatzzR Offline
              Ratzz
              wrote on last edited by
              #10

              @meikelneit said in Split a String at prompt ".":

              Try it with "."

              Split works both with string and char as split has overloads with string and char .

              --Alles ist gut.

              1 Reply Last reply
              1
              • M Offline
                M Offline
                meikelneit
                wrote on last edited by
                #11

                I just can tell u what happens when i try to split with ".".

                the line i tryed to split is: Array[0..3] of Int;

                when i use "." is QRegularexpression to split with, i get 21 List Elements and every single one is empty.
                it wokrs without error, but pls have a look into your listelements, mine were empty, and i had 21 of them, i expected 3.

                jsulmJ VRoninV 2 Replies Last reply
                0
                • M meikelneit

                  I just can tell u what happens when i try to split with ".".

                  the line i tryed to split is: Array[0..3] of Int;

                  when i use "." is QRegularexpression to split with, i get 21 List Elements and every single one is empty.
                  it wokrs without error, but pls have a look into your listelements, mine were empty, and i had 21 of them, i expected 3.

                  jsulmJ Offline
                  jsulmJ Offline
                  jsulm
                  Lifetime Qt Champion
                  wrote on last edited by
                  #12

                  @meikelneit Can you show your code including the exact string you're trying to split?

                  https://forum.qt.io/topic/113070/qt-code-of-conduct

                  1 Reply Last reply
                  1
                  • M meikelneit

                    I just can tell u what happens when i try to split with ".".

                    the line i tryed to split is: Array[0..3] of Int;

                    when i use "." is QRegularexpression to split with, i get 21 List Elements and every single one is empty.
                    it wokrs without error, but pls have a look into your listelements, mine were empty, and i had 21 of them, i expected 3.

                    VRoninV Offline
                    VRoninV Offline
                    VRonin
                    wrote on last edited by VRonin
                    #13

                    @meikelneit said in Split a String at prompt ".":

                    mine were empty, and i had 21 of them, i expected 3.

                    The second argument to split takes care of this: https://doc.qt.io/qt-5/qstring.html#split-3

                    "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
                    ~Napoleon Bonaparte

                    On a crusade to banish setIndexWidget() from the holy land of Qt

                    1 Reply Last reply
                    3
                    • RatzzR Ratzz

                      @CP71 said in Split a String at prompt ".":

                      this works well in my code:

                      Are you trying to split an ; ?

                      CP71C Offline
                      CP71C Offline
                      CP71
                      wrote on last edited by
                      #14

                      @Ratzz

                      Split function works well in both cases:

                      • QStringList list = text.slit(".");
                      • QStringList list = text.split(";");

                      If it is what you want to know, be patient if I didn't well understand

                      Also I tried:

                      • QStringList list = text.slit(‘.’);
                      • QStringList list = text.split(‘;’);

                      Also in this cases split works well.

                      1 Reply Last reply
                      3
                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #15

                        Hi

                        @meikelneit said in Split a String at prompt ".":

                        (QRegularExpression(".")

                        The dot in regular expressions means any character. As you discovered, if you want to express a literal dot you have to escape it.

                        You can test your expressions with the QRegularExpression example tool.

                        Interested in AI ? www.idiap.ch
                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                        1 Reply Last reply
                        6
                        • M Offline
                          M Offline
                          meikelneit
                          wrote on last edited by
                          #16

                          Thank you very mutch, that explains why i have 21 empty listelements. It just splits between every single character. :) ok thx

                          1 Reply Last reply
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