final-ex.c
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/*ident "@(#)Regex:demos/final-ex.c 3.1" */
/******************************************************************************
*
* C++ Standard Components, Release 3.0.
*
* Copyright (c) 1991, 1992 AT&T and Unix System Laboratories, Inc.
* Copyright (c) 1988, 1989, 1990 AT&T. All Rights Reserved.
*
* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T and Unix System
* Laboratories, Inc. The copyright notice above does not evidence
* any actual or intended publication of such source code.
*
******************************************************************************/
#include <Regex.h>
#include <stream.h>
// A match on r just produced subs. Display the info in subs.
//
void show_subs(const Regex &r, const Subex &subs) {
for (int i = 1; i <= Regex::max_num_subexes; i++) {
String s;
Substrinfo ss = subs(i, s);
if (ss) {
String subex;
r.subex(i, subex);
cout << "subexpression " << subex;
cout << " matched target substring \"";
cout << s << "\" at " << ss.i << endl;
}
}
}
void show_all_matches(const Regex &r, const char *target) {
Regexiter i(r, target);
Subex subs;
String mss;
Substrinfo ss;
while (ss = i.next(subs, mss)) {
cout << "pattern matches substring \"" << mss;
cout << "\" at " << ss.i << endl;
show_subs(r, subs);
cout << endl;
}
}
main() {
Regex r("(foo)((bar)*)|(baz)");
show_all_matches(r, "foobarbazfoobaz");
return 0;
}