此正则表达式可为您验证输入内容:

This regex should work for you for validation of your inputs:

^\d{1,2}\/\d{1,2}\/\d{4} \d{1,2}:\d{1,2}:\d{1,2} [AP]M\z

RegEx演示

这将验证以下任一输入行:

This will validate either of these inputs lines:

10/22/2016 9:15:32 PM
9/9/2016 9:9:5 AM