Osmocom's Base Station Controller for 2G mobile networks https://osmocom.org/projects/osmobsc
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osmo-bsc/contrib/nat/test_regexp.c

31 lines
584 B

/* make test_regexp */
#include <sys/types.h>
#include <regex.h>
#include <stdio.h>
int main(int argc, char **argv)
{
regex_t reg;
regmatch_t matches[2];
if (argc != 4) {
printf("Invoke with: test_regexp REGEXP REPLACE NR\n");
return -1;
}
if (regcomp(&reg, argv[1], REG_EXTENDED) != 0) {
fprintf(stderr, "Regexp '%s' is not valid.\n", argv[1]);
return -1;
}
if (regexec(&reg, argv[3], 2, matches, 0) == 0 && matches[1].rm_eo != -1)
printf("New Number: %s%s\n", argv[2], &argv[3][matches[1].rm_so]);
else
printf("No match.\n");
regfree(&reg);
return 0;
}