Thread: [Dev-C++] Getting only parts of strings

Hi,

I have had a terrible time trying to just copy part of a string into another string. I wanted to be able to pass a start and an end and a string to a function and have it return the part of the string between the two numbers without using anything but api, sort of like the BASIC mid function. I have tried lstrcpyn, and CharNext, and even incrementing pointers and assigning them to each other with no success. I was wondering if anybody could help me. Thanks.

Brian



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I assume C++. string::substr(x,y) returns a string which is a copy of the
defined substring. x is the starting position and y the length e.g.

string s="Hello World";
string test=s.substr(6,5);

//Here test is "World".

s.replace(6, 5, "Nightmare");  // s is "Hello Nightmare"


Ioannis

* Ioannis Vranos
* Programming pages: http://members.nbci.com/noicys
* Alternative URL: http://run.to/noicys
  -----Original Message-----
  From: dev...@li...
[mailto:dev...@li...]On Behalf Of Brian Becker
  Sent: Sunday, March 18, 2001 10:33 PM
  To: Dev...@li...
  Subject: [Dev-C++] Getting only parts of strings


  Hi,

  I have had a terrible time trying to just copy part of a string into
another string. I wanted to be able to pass a start and an end and a string
to a function and have it return the part of the string between the two
numbers without using anything but api, sort of like the BASIC mid function.
I have tried lstrcpyn, and CharNext, and even incrementing pointers and
assigning them to each other with no success. I was wondering if anybody
could help me. Thanks.

  Brian





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