gistfile1.txt

when "email"
        regex = /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i
when "url"
        regex = /^(http:\/\/|https:\/\/)?(www.)?[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3})([.]?[a-zA-Z]{2})?(\/\S*)?$/i
when "number"
        regex = /^\d{1,3}(\,?\d{3})*$/
when "time"
        regex = /^(([0-1]?[0-9])|([2][0-3])):([0-5]?[0-9])(:([0-5]?[0-9]))?$/
when "date"
        regex = /^(\d{1,2})[\/|-|\.|\s](\d{1,2})[\/|-|\.|\s](\d{2,4})$/ 
        # Here we are just validating date format.