sscanf的快速替代方案

#include <stdio.h>
#include <pcre.h>

int main() {
    const char *str = "name: John, age: 25";
    const char *pattern = "name: (.*), age: (\\d+)";
    int ovector[30];
    int rc;
    pcre *re;
    const char *error;
    int erroffset;
    int i;

    re = pcre_compile(pattern, 0, &error, &erroffset, NULL);
    if (re == NULL) {
        printf("PCRE compilation failed at offset %d: %s\n", erroffset, error);
        return 1;
    }

    rc = pcre_exec(re, NULL, str, strlen(str), 0, 0, ovector, 30);
    if (rc < 0) {
        printf("PCRE matching failed\n");
        return 1;
    }

    for (i = 0; i < rc; i++) {
        char *substring_start = (char *)str + ovector[2*i];
        int substring_length = ovector[2*i+1] - ovector[2*i];
        printf("Match %d: %.*s\n", i, substring_length, substring_start);
    }

    pcre_free(re);
    return 0;
}

#include <stdio.h>
#include <string.h>

int main() {
    char str[] = "name: John, age: 25";
    char *token;
    const char *delim = ",:";
    
    token = strtok(str, delim);
    while (token != NULL) {
        printf("Token: %s\n", token);
        token = strtok(NULL, delim);
    }
    
    return 0;
}