TryCF Gist

trycf-gist-1602077570646-71bae888-bb62-6d9c-9491-9e64c6fd8896.cfm

<cfscript>
    function checkExamples(examples){
        loop list="#examples#" item="email" delimiters="#chr(10)##chr(13)#"{
        
            ok = isValid("email", email)
            if (ok)
                echo ("#email#<br>");
            else
                echo ("<b>#email# FAIL</b><br>");
        }
        echo("<hr>");
    }
</cfscript>
<!--- examples from from https://en.wikipedia.org/wiki/Email_address#Local-part --->
<cfsavecontent variable="valid_examples">
simple@example.com
very.common@example.com
disposable.style.email.with+symbol@example.com
other.email-with-hyphen@example.com
fully-qualified-domain@example.com
user.name+tag+sorting@example.com
x@example.com
example-indeed@strange-example.com
admin@mailserver1
example@s.example
" "@example.org
"john..doe"@example.org
mailhost!username@example.org
user%example.com@example.org
</cfsavecontent>
<cfsavecontent variable="invalid_examples">
Abc.example.com
A@b@c@example.com
a"b(c)d,e:f;g<h>i[j\k]l@example.com
just"not"right@example.com
this is"not\allowed@example.com
this\ still\"not\\allowed@example.com
1234567890123456789012345678901234567890123456789012345678901234+x@example.com
i_like_underscore@but_its_not_allow_in_this_part.example.com
</cfsavecontent>
<h1>valid examples</h1>
<cfscript>
    checkExamples(valid_examples);
</cfscript>
<h1>invalid examples</h1>
<cfscript>
    checkExamples(invalid_examples);
</cfscript>