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#include <error.h>
#include <sys/types.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
int
main (void)
{
regex_t re;
regmatch_t ma[2];
int reerr;
int res = 0;
re_set_syntax (RE_DEBUG);
reerr = regcomp (&re, "0*[0-9][0-9]", 0);
if (reerr != 0)
{
char buf[100];
regerror (reerr, &re, buf, sizeof buf);
error (EXIT_FAILURE, 0, "%s", buf);
}
if (regexec (&re, "002", 2, ma, 0) != 0)
{
error (0, 0, "\"0*[0-9][0-9]\" does not match \"002\"");
res = 1;
}
puts ("Succesful match with \"0*[0-9][0-9]\"");
regfree (&re);
reerr = regcomp (&re, "[0a]*[0-9][0-9]", 0);
if (reerr != 0)
{
char buf[100];
regerror (reerr, &re, buf, sizeof buf);
error (EXIT_FAILURE, 0, "%s", buf);
}
if (regexec (&re, "002", 2, ma, 0) != 0)
{
error (0, 0, "\"[0a]*[0-9][0-9]\" does not match \"002\"");
res = 1;
}
puts ("Succesful match with \"[0a]*[0-9][0-9]\"");
regfree (&re);
return res;
}
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