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I have searched existing issues and confirmed that this is not a duplicate.
Where possible, I have tried to reproduce this issue using the latest stable or beta version and confirmed that it still occurs.
I have confirmed that this is an issue with ScriptCat itself, rather than a userscript compatibility issue where the script works correctly in Tampermonkey or Violentmonkey.
Description
I'm trying to sign up, but the site keeps throwing the error 该邮箱不允许注册 and saying email aliases aren't allowed. My primary Gmail has a dot in the username before @gmail.com. It looks like the regex validation is treating standard dots in Gmail usernames as + aliases by mistake. It should accept normal Gmail accounts that have dots in them.
Steps to Reproduce
Go to the registration page.
Enter a Gmail address that contains a dot in the username.
Thanks for the report! This has been fixed: Gmail addresses containing dots (e.g. first.last@gmail.com) can now be used to register. The fix will take effect once the current deployment finishes — please try again in a little while.
Note that addresses with a + tag (e.g. name+tag@gmail.com) are still not accepted, so please register with your address without the tag. If you still run into problems, feel free to reopen this issue.
Activity
CodFrm commentedon Oct 30, 2026
Thanks for the report! This has been fixed: Gmail addresses containing dots (e.g.
first.last@gmail.com) can now be used to register. The fix will take effect once the current deployment finishes — please try again in a little while.Note that addresses with a
+tag (e.g.name+tag@gmail.com) are still not accepted, so please register with your address without the tag. If you still run into problems, feel free to reopen this issue.