电子邮件正则表达不按预期工作

Question

I am using the following regex to validate emails and just noticed some problems and don't see what the issue is :

/^[a-z0-9_.-]+@[a-z0-9.-]+.[a-z]{2,6}$/i.test(value)

support@tes is invalid
support@test is valid
support@test.c is invalid
[e-mail] is valid

the 2,6 is for requiring and ending tld between 2 or 6 and that does not appear to be working either. I am sure I had this working properly before.

Answer 1

In a regex, . is a wildcard (meaning any char). you need to escape it as \.

Keep in mind though, the regex is too restrictive. You can have non-alpha numeric chars in the address, like '