Can we match an exact string using html pattern attribute only?

Question

Lets get to the problem as I allow open registration on my website(any one can open registration page) but I want only those people able to proceed who have a specific code (like "CDCode"). This is in a form and I want to check it on form Submit.

I know it is possible with onfocusout but javascript can be disabled so not a perfect solution.

I want some solution with pure HTML like with pattern attribute. So anyhow we can make pattern attribute match an exact string?

pattern="CDCode"

Wiktor Stribiżew
– Wiktor Stribiżew

2017-07-05 17:14:09 +00:00
Commented Jul 5, 2017 at 17:14 — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Jul 5, 2017 at 17:14

Vineesh · Accepted Answer · 2017-07-05 17:14:38Z

3

<input type="text" name="test" pattern="CDCode" >

answered Jul 5, 2017 at 17:14

Vineesh

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3 Comments

mhatch Over a year ago

An empty input seems to pass this validation. How do you make it required?

Vineesh Over a year ago

You can add required attribute

OZZIE Over a year ago

Not working for <select> in chrome currently it seems

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