How it works, what you get, limits
できること
Validate email, phone, URL or date one line at a time.
使い方
Pick a type, one value per line, see ok/no.
得られるもの
A pass/fail table you can download.
パラメータと比較
Email / CN phone / URL / date.
The tester takes a free pattern; this page is these four types only.
制限
Phones are mainland 11-digit. Dates ignore leap months.
FAQ
International phones?
Mainland China 11-digit numbers only.
Several on one line?
One value per line.