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  4. How to egalise two strings

How to egalise two strings

Scheduled Pinned Locked Moved C / C++ / MFC
helptutorial
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  • L Lost User

    OK, just to see if i have caught what you said: I should use == to compare if string s1 has the same content with string s2. That´s it? Because I already have tried that and it doesn´t work...:((

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    Lost User
    wrote on last edited by
    #32

    Hum ... i did a mistake while typing the code, i always typed: if(s1==s2) but the thing i wanted to check is if (s1!=s2) I am so sorry for the loss of time.... :| Anyway, thank you very much for your help!!!

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    • L Lost User

      OK, just to see if i have caught what you said: I should use == to compare if string s1 has the same content with string s2. That´s it? Because I already have tried that and it doesn´t work...:((

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      toxcct
      wrote on last edited by
      #33

      garfaoui wrote:

      I should use == to compare if string s1 has the same content with string s2. That´s it?

      exactly. but be careful, the operator must be the overload of std::string class. in the expression s1 == s2, if s1 is of type std::string, the code actually means to the compiler s1.operator==(s2) (calling then the function bool std::string::operator==(const std::string&)). but if s1 is a basic C-Style string (a char* basically), the compiler will try to compare the addresses, not the string contents... the context is exactly the same while using the operator != . so, can you please post a relevant (but small) piece of code which can reproduce the error ? also, specify to us the type of all the variables used, and which error you get (if it is a compiler error, linker error, or run-time error), and its message.


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      • L Lost User

        Hello, I would like to compare two strings: i used: if (s1==s2) { I have no problem to compile, but even when s1=s2 it doesnt work...

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        ShilpiP
        wrote on last edited by
        #34

        string s1 = "shilpi"; string s2 = "shilpi"; if(strcmp(s1.c_str(),s2.c_str())==0) { printf("Hi"); } what i wanna say is this ,try it

        Yes U Can ...If U Can ,Dream it , U can do it ...ICAN

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        • L Lost User

          Oula je ne suis pas du tout enervé, choqué, ou autre. Je bois les paroles de tous ceux qui postent un message sur ce forum car je n´ai a mon actif ke 30h de langage c++. Je n´y connais pas grand chose. :) Je suis actuellement en stage et je dois realiser ce programme. Cela fait maintenant une semaine que je suis dessus, et je sens qu´il est tout près d´aboutir. Désolé si ma réponse a pu paraitre sèche, ce n´etait pas du tout l´esprit du message. C´est l´effet message ecrit qui ne transcrit pas le ton de la voix. :)

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          Rage
          wrote on last edited by
          #35

          Francais et en stage au Portugal ?

          Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

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          • R Rage

            Francais et en stage au Portugal ?

            Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

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            Lost User
            wrote on last edited by
            #36

            tout a fait =):-D

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            • L Lost User

              tout a fait =):-D

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              Rage
              wrote on last edited by
              #37

              Te laisse pas impressioner par Tox, il est dur, mais très très fort. ;P

              Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

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              • R Rage

                Te laisse pas impressioner par Tox, il est dur, mais très très fort. ;P

                Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #38

                Ne t´inquète pas! En tout cas il m´a bien aidé! C´est par rapport au repertoire de l´executable que tu as vu que j´étais au Portugal?

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                • L Lost User

                  Ne t´inquète pas! En tout cas il m´a bien aidé! C´est par rapport au repertoire de l´executable que tu as vu que j´étais au Portugal?

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                  toxcct
                  wrote on last edited by
                  #39

                  non, par rapport a ton profil ^^ @Régis, merci pr la petite note d'humour... "il est tres tres fort", c'est a double tranchant ca ;P


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                  • L Lost User

                    Ne t´inquète pas! En tout cas il m´a bien aidé! C´est par rapport au repertoire de l´executable que tu as vu que j´étais au Portugal?

                    R Offline
                    R Offline
                    Rage
                    wrote on last edited by
                    #40

                    Nope, c'est dans ta biographie (clique sur l'icone en forme de tete a cote de ton nom)

                    Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

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                    • T toxcct

                      non, par rapport a ton profil ^^ @Régis, merci pr la petite note d'humour... "il est tres tres fort", c'est a double tranchant ca ;P


                      [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

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                      Rage
                      wrote on last edited by
                      #41

                      ;)

                      Don't follow any man spiritually, don't do anything that will get you in sh*t if god is real - Bradml[^]

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