sscanf

例子

#include <iostream>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
// 跳过数据  %*s, %*d
void test01() {
    char *str = "12345abcde";
    char buf[1024] = {0};
    sscanf(str, "%*d%s", buf);
    printf("buf:%s\n", buf);
}
void test02() {
    //忽略字符串到空格或者\t
    char *str = "abcde\t123456";
    char buf[1024] = {0};
    sscanf(str, "%*s%s", buf);
    printf("buf:%s\n", buf);
}
void test03() {
    // %[a-z] 匹配a到z中任意字符(尽可能多的匹配)
    char *str = "12345abcde";
    char buf[1024] = {0};
    sscanf(str, "%*d%[a-c]", buf);
    printf("buf:%s\n", buf);
}
void test04() {
    //%[aBc]   匹配a、B、c中一员，贪婪性
    char *str = "aABbcde";
    char buf[1024] = {0};
    sscanf(str, "%[aAb]", buf);
    printf("buf:%s\n", buf);
}
void test05() {
    //%[^a]    匹配非a的任意字符，贪婪性
    char *str = "aABbcde";
    char buf[1024] = {0};
    sscanf(str, "%[^c]", buf);
    printf("buf:%s\n", buf);
}
void test06() {
    char *str = "aABbcde12345";
    char buf[1024] = {0};
    sscanf(str, "%[^0-9]", buf);
    printf("buf:%s\n", buf);
}
void test07() {
     char *ip = "127.0.0.1";
     int num1 = 0, num2 = 0, num3 = 0, num4 = 0;
     //把ip录入进去
     sscanf(ip, "%d.%d.%d.%d", &num1, &num2, &num3, &num4);
     printf("num1:%d\n", num1);
     printf("num2:%d\n", num2);
     printf("num3:%d\n", num3);
     printf("num4:%d\n", num4);
}
void test08() {
    char *str = "abcde#12uiop@0plju";
    char buf[1024] = {0};
    sscanf(str, "%*[^#]#%[^@]", buf);
    printf("buf:%s\n", buf);
}
int main() {
//    test01();
//    test02();
//    test03();
//    test04();
//    test05();
//    test06();
//    test07();
    test08();
    getchar();
    return 0;
}