匹配的日期格式如:2015-03-05 12:08:20
這裏用到boost正則表達式匹配庫函數,
cregex reg = cregex::compile("(\\d{4})-(0\\d{1}|1[0-2])-(0\\d{1}|[12]\\d{1}|3[01])\\s(0\\d{1}|1\\d{1}|2[0-3]):[0-5]\\d{1}:([0-5]\\d{1})");
bool ff = regex_match("2015-03-05 12:08:20", reg);//ff=true