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BOOK: Beginning Regular Expressions
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Old May 31st, 2010, 08:36 AM
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Default Find class references in C++ file

I'm trying to match all class references in a C++ file using grep with regular expression. I'm trying to know if a specific include is usuless or not, so I have to know if there is a refence in cpp.
I wrote this RE that searches for a reference from class ABCZ, but unfortunately it isn't working as I espected:

PHP Code:
grep -'^[^(\/\*)(\/\/)].*[^a-zA-Z]ABCZ[]*[\*\(\<:;,{& ]' 
^[^(\/\*)(\/\/)] don't math comments in the begging of the line ( // or /* )
.* followed by any character
[^a-zA-Z] do not accept any caracter before the one I'm searching (like defABCZ)
[]* any white space (I can have something like ABCZ var;)
[\*\(\<:;,{& ] followed by ( * < : ; , & { (I cant get #define "ABCZ.h" or ABCZdef for example)

Well, I can get patterns like this:

PHP Code:
class Test: public ABCZ{
class 
Test: public ABCZ {
class 
Test :public ABCZ<T>
class NameSpace::
Test :public ABCZ<T>
ABCZ var = ABCZ();
ABCZ* var = new ABCZ();
ABCZ* var = new ABCZ<T>();
teste ABCZ(var);
teste ABCZ(var, otherVar);
teste ABCZ(var,otherVar);
teste =     ABCZ();
funct(*ABCZ av);
struct(ABCZBBBBCCCC);
const 
ABCZgetNot_before(void) const; 
That's all right, they are all acceptable patterns. But these I'm missing, and they are all acceptable too:

PHP Code:
ABCZ        teste;
ABCZ        teste//comment
ABCZ        teste/* comment*/
ABCZ teste/* comment*/
ABCZ teste;
ABCZ *teste
And all these are not acceptable:
PHP Code:
#include "ABCZ.h"
//ABCZ var = ABCZ();
ABCZdef a ABCZdef();
DefABCZ a DefABCZ();
ABCZdef a ABCZdef();
/*ABCZ var = ABCZ(); 
I don't know if I'm missing any other patterns, if I am, please tell me =p
What am I doing wrong?
I'll be very grateful if someone answer me :)
Thanks in advance




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