| /* 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(®, argv[1], REG_EXTENDED) != 0) { |
| fprintf(stderr, "Regexp '%s' is not valid.\n", argv[1]); |
| return -1; |
| } |
| |
| if (regexec(®, 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(®); |
| |
| return 0; |
| } |