Re: [MLUG] String manipulation in C

[Stephen Montgomery-Smith <EMAIL:PROTECTED>]

On Sun, 1 Jul 2007, Stephen Montgomery-Smith wrote:

> Also you might want to look at the function strstr instead of regexec. For 
> what you are wanting to do, it looks a lot simpler.  So suppose you are 
> looking for the third occurence of "ABC" in "XXABCXXABCXXABCXXX":
>
> char *s, *t, *u;
>
> strcpy(s,"ABC");
> strcpy(t,"XXABCXXABCXXABCXXX");
> u = strstr(t,s);
> if (u!=NULL) u = strstr(u,s);
> if (u!=NULL) u = strstr(u,s);
> if (u!=NULL) printf("%d\n",u-s); else printf("Not found");

although this code fragment is totalyl buggy because I forgot to allocate 
space to s and t, so

char s[]="ABC";
char t[]="XXABCXXABCXXABCXXX";
char *u;

etc etc

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