laravel validation types
# <values> = foo,bar,...
# <field> = array field
# <characters> = amount of characters
# accepted # active_url
# after:<tomorrow> # after_or_equal:<tomorrow>
# alpha # alpha_dash
# alpha_num # array
# bail # before:<today>
# before_or_equal:<today> # between:min,max
# boolean # confirmed
# date # date_equals:<today>
# date_format:<format> # different:<name>
# digits:<value> # digits_between:min,max
# dimensions:<min/max_with> # distinct
# email # ends_with:<values>
# exclude_if:<field>,<value> # exclude_unless:<field>,<value>
# exists:<table>,<column> # file
# filled # gt:<field>
# gte:<field> # image
# in:<values> # in_array:<field>
# integer # ip
# ipv4 # ipv6
# json # lt:<field>
# lte:<field> # max:<value>
# mimetypes:video/avi,... # mimes:jpeg,bmp,png
# min:<value> # not_in:<values>
# not_regex:<pattern> # nullable
# numeric # password:<auth guard>
# present # regex:<pattern>
# required # required_if:<field>,<value>
# required_unless:<field>,<value> # required_with:<fields>
# required_with_all:<fields> # required_without:<fields>
# required_without_all:<fields> # same:<field>
# size:<characters> # starts_with:<values>
# string # timezone
# unique:<table>,<column> # url
# uuid