Regex for time in hh:mm am/pm format

Question

I need to make strict validation of input for a school project, time in format HH:MM am/pm. So far i\'ve got this RegEx expression:

(([01]?[0-9]):([0-5][0-9         


        

Answer 1

  ([0-9]|0[0-9]|1[0-9]|2[0-3]):([0-5][0-9])\s*([AaPp][Mm])

For the following:

10:00AM

10:00PM

10:00am

10:00pm

10:00 pm

10:00 am

10:30PM

23:46am