https://tech.uvoo.io/index.php?action=history&feed=atom&title=HTML5 2026-04-19T23:34:57Z Revision history for this page on the wiki MediaWiki 1.35.2 https://tech.uvoo.io/index.php?title=HTML5&diff=180&oldid=prev 2019-04-08T23:55:42Z

<p></p> <p><b>New page</b></p><div># Validation<br /> <br /> Use the pattern attribute<br /> ```<br /> &lt;form action=&quot;/action_page.php&quot;&gt;<br /> Country code: &lt;input type=&quot;text&quot; name=&quot;country_code&quot; pattern=&quot;[A-Za-z]{3}&quot; title=&quot;Three letter country code&quot; required&gt;<br /> &lt;input pattern=&quot;.{3,}&quot; required title=&quot;3 characters minimum&quot;&gt;<br /> &lt;input pattern=&quot;.{5,10}&quot; required title=&quot;5 to 10 characters&quot;&gt;<br /> &lt;input type=&quot;submit&quot;&gt;<br /> &lt;/form&gt;<br /> ```<br /> <br /> https://stackoverflow.com/questions/17664537/html5-validation-easy-way-to-have-real-time-validation</div>

imported>Jeremy-busk