Фото: Максим Богодвид / РИА Новости
# boolean type operators
。快连下载-Letsvpn下载对此有专业解读
A couple of these are assuming the wrong validation semantics, like @ (which would be a decent choice outside of pattern, which always matches the full input), or similar, longer versions. Others, like [@.]*, would allow for empty email addresses, which is probably not what you want. A large chunk seem to actually be looking for phone numbers or numeric values, all of which have their own input types that are far better.
(hoot primitives) module so they can be used in interpreted code.