int n_size = strlen(s_phone);

(*phone) = (char*) malloc(n_size + 1);

memset((*phone), 0, n_size);

strcpy((*phone), s_phone);

free(s_phone);

return 0;

}

/**

* @biref 简体中文文本网页时间提取

* 正则表达式说明如下

* [0-9]{2,4}(-|/|年) //年份

* [0-9]{1,2}(-|/|月) //月份

* [0-9]{1,2} //日

* [0-9]{1,2} //小时

* :[0-9]{1,2} //分钟

* (:[0-9]{1,2}) //钞

* @demo

* char* datetime = NULL;

* datetime_extract("2011年3月7日 14:03", &datetime);

* printf("format datetime = [%s]\n", datetime);

* free(datetime);

* @param str 待处理的字符串

* @param date [output] 提取出的日期时间子串，

* 其格式为“yy-MM-dd hh-mm-ss”的字符串(要注意在外面释放其堆内存)

* @return 返回0表示成功，否则出错。

*/

int datetime_extract(const char* str, char** date)

{

char* datetime = (char*) malloc(20);

memset(datetime, 0, 20);

*date = datetime;

int year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0;

char* s_num = NULL;

const char* pattern_date = "[0-9]{2,4}(-|/|年)[0-9]{1,2}(-|/|月)[0-9]{1,2}";

const char* pattern_time = "[0-9]{1,2}:[0-9]{1,2}(:[0-9]{1,2}) ";

int z = 0;

regex_t reg_date, reg_time;

regmatch_t pm_date[1], pm_time[1];

// 提取日期

regcomp(®_date, pattern_date, REG_EXTENDED);

z = regexec(®_date, str, 1, pm_date, 0);

regfree(®_date);

if(0 != z)

{

fprintf(stderr, " invalid date format: [%s]\n", str);

strcpy(datetime, "2000-01-01 00:00:00");

return -1;

}

char* s_date = NULL;

return_if_fail(s_date = substr(str,

pm_date[0].rm_so,

pm_date[0].rm_eo - pm_date[0].rm_so), -1);

int n_offset = 1;

int date_l = 0;

int date_r = 0;

date_l = find(s_date, "-");

date_r = rfind(s_date, "-");

if(-1 == date_l)

{

date_l = find(s_date, "/");

}

if(-1 == date_r || date_r == date_l)

{

date_r = rfind(s_date, "/");

}

if(-1 == date_l)

{

date_l = find(s_date, "年");

n_offset = strlen("年");

}

if(-1 == date_r || date_r == date_l)

{

date_r = find(s_date, "月");

n_offset = strlen("月");

}

return_if_fail(s_num = substr(s_date, 0, date_l - 0), -1);

year = atoi(s_num); free(s_num);

if(year < 100) { year += 2000; };

return_if_fail(s_num = substr(s_date, \

date_l + n_offset, date_r - date_l - n_offset), -1);

month = atoi(s_num); free(s_num);

return_if_fail(s_num = substr(s_date,

date_r + n_offset, strlen(s_date) - date_r - n_offset), -1);

day = atoi(s_num); free(s_num);

free(s_date);

// 提取时间

regcomp(®_time, pattern_time, REG_EXTENDED);

z = regexec(®_time, str, 1, pm_time, 0);

regfree(®_time);

if(0 != z)

{

fprintf(stderr, " invalid time format: [%s]\n", str);

hour = 0;

minute = 0;

second = 0;

sprintf(datetime, "%04d-%02d-%02d %02d:%02d:%02d",

year, month, day, hour, minute, second);

return 0;

}

char* s_time = NULL;

return_if_fail(s_time = substr(str, \

pm_time[0].rm_so, pm_time[0].rm_eo - pm_time[0].rm_so), -1);

int time_l = find(s_time, ":");

int time_r = rfind(s_time, ":");