查找指定字符串在某个字符串中的出现次数

xiaoxiao2021-02-28  64

c语言代码实现:

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#include<stdio.h> #include<string.h> int searchnum(char *str,char *pattern) {         if (str == NULL)             return 0;         char *pos = NULL;         int count = 0;         while ((pos = strstr(str,pattern)) != NULL)         {             count++;             pos += (strlen(pattern));             str = pos;     //        count = count+1;         }         return count; } int main() {     char *str = "world hello world word world";     printf("%d\n",searchnum(str,"world"));     return 0; } 运行结果: [root@localhost ~]# ./a.out 3 <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":"0","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> 阅读(278) | 评论(0) | 转发(0) | 0

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