Validating my Campus registration Number using HTML5 validation

i am creating a project application for someone that i need that i need validating the registration number of a student… i wanted to follow the easiest was of doing it instead of using plugins… i need to validate the following numbers: IN17/24456/2012 in17/24456/12 1Np17/24456/2012 inP17/24456/12 AND HEY, these needs to be ultimately strict, as […]