后面的数字大于前面的数字

WIP

Matches time strings formatted as mm:ss or hh:mm:ss under the following conditions: mm:ss**: only if mm and ss are less than 60 hh:mm:ss**: the above condition applies, but it selects hours only if hh is greater than 00

Checks for existence of particular file name extension or path structure

Simplified version for validating Mainland China Mobile Phone Numbers.

Matches all assigned mobile phone number blocks in Mainland China. Including CMCC, CHN-UNICOM, CHN-TELECOM, and various MVNOs.