Extract specfic tokens from a CString

You could use
void ReplaceInBetween ( CString& rstrLine, CString& rstrSubst, LPCTSTR pszStart, LPCTSTR pszEnd) {

    int nStart = rstrLine.Find(pszStart);

    if ( -1 == nStart) return;

    int nEnd = rstrLine.Find(pszStart);

    if ( -1 == nStart) return;

    CString strFront = rstrLine.Left(nStart - 1);
    CString strBack = rstrLine.Left(nEnd + lstrlen(pszEnd) + 1);

    rstrLine = strFront + rstrSubst + strBack;
}

and call it like

CString str = "{Projectname field} is <Projectname value> ... {[[Editor]]} ...";
CString strSubst = "Some real Value";

ReplaceInBetween(str,strSubst,"{[[","]]}");

if string really contains literally  "{Projectname field} is <Projectname value> ... {[[Editor]]} ..."
then you can use CString::Replace() function, something like

CString str = "{Projectname field} is <Projectname value> ... {[[Editor]]} ...";

str.Replace("{Projectname field}", theRealProjName);

....etcetera...

Jkr,
I see your point but my problem is that I need to replace 3 caess in a same traveral of the string, i.e., need to extrace content between "{}", "<>", and "{[[]]}" at the same time. Could you revise your code a little bit to handle the 3 cases at the same time?

Jaime,
The content between can be changed with a lot of choices. It's not fixed.

>>I need to replace 3 caess in a same traveral of the string

That can't be done at once - what about

ReplaceInBetween(str,strSubst,"{[[","]]}");
ReplaceInBetween(str,strSubst,"{","}");
ReplaceInBetween(str,strSubst,"[","]");

?

BTW, a lil' correction:

void ReplaceInBetween ( CString& rstrLine, CString& rstrSubst, LPCTSTR pszStart, LPCTSTR pszEnd) {

   int nStart = rstrLine.Find(pszStart);

   if ( -1 == nStart) return;

   int nEnd = rstrLine.Find(pszEnd);

   if ( -1 == nStart) return;

   CString strFront = rstrLine.Left(nStart - 1);
   CString strBack = rstrLine.Left(nEnd + lstrlen(pszEnd) + 1);

   rstrLine = strFront + rstrSubst + strBack;
}

JKR,

To traverse 3 times the whole CString is unacceptable. And your code can only replace one instance for each case.

Thanks.

Thank you xxg4813 - lloking foward to hekp you again in the future - I think you get the idea...