Common email shape, not the full RFC.
[^\s@]+@[^\s@]+\.[^\s@]+
Regex · On this device
Regex templates
Common patterns for email, CN phone, URL and date.
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Everyday templates, not a full spec. Copy, then paste on the tester.
Phone
Mainland China 11-digit numbers. No carrier check.
1[3-9]\d{9}URL
http(s) until whitespace. Reachability is not checked.
https?:\/\/[^\s]+
Date
YYYY-MM-DD shape. Leap months are not checked.
\d{4}-\d{2}-\d{2}How it works, what you get, limits
What it does
Common patterns for email, CN phone, URL and date.
How to use
Copy a template, then paste it on the tester.
What you get
Four everyday shapes, not a full spec.
Options and comparison
Email / phone / URL / YYYY-MM-DD.
The validator uses the same rules line by line.
Limits
Unusual but valid values may fail.
FAQ
RFC email?
No. Unusual but valid addresses may fail.
Leap months?
Not checked. Only YYYY-MM-DD shape.