ref: 2b99422480d596ebc26921c87c6bb81a07949f3e
dir: /src/match.c/
#include <u.h>
#include <libc.h>
#include <regexp.h>
void
main(int argc, char* argv[])
{
Reprog* prog;
Resub sub[16];
char buf[1024];
int nr, ismatch, i;
if (argc != 2){
fprint(2, "usage: %s regexp\n", argv[0]);
exits("usage");
}
prog = regcomp(argv[1]);
if (prog == nil)
sysfatal("regexp '%s': %r", buf);
for(;;){
nr = read(0, buf, sizeof(buf)-1);
if (nr <= 0)
break;
buf[nr] = 0;
ismatch = regexec(prog, buf, sub, nelem(sub));
if (!ismatch)
print("no match\n");
else {
print("matched: '");
write(1, sub[0].sp, sub[0].ep - sub[0].sp);
print("'\n");
}
}
exits(nil);
}