#include<stdio.h>
#include<sys/types.h>
#include<regex.h>
int my_match(char* pattern,char* buf){
  int status,i;
  int flag=REG_EXTENDED;
  regmatch_t pmatch[1];
  const size_t nmatch=1;
  regex_t  reg;
  //编译正则模式
  regcomp(®,pattern,flag);
  //执行正则表达式和缓存的比较
  status=regexec(®,buf,nmatch,pmatch,0);
  //打印匹配的字符串
  for(i=pmatch[0].rm_so;i<pmatch[0].rm_eo;++i){
    putchar(buf[i]);
  }
  printf("\n");
  regfree(®);
  return status;
}

int main(){
  char pattern[1024]="^[1-9][0-9]{10}$";
  char buf[1024]="41509030127";
  int status=my_match(pattern,buf);
  if(status==REG_NOMATCH)
    printf("No match!\n");
  else if(0 == status){
    printf("匹配成功！\n");
  }
  return 0;
}