Email address validator regexp

Improve email validator regular expression from

private static final Pattern EMAIL_PATTERN = Pattern.compile("^\\w\\-(\\.\\w)\\w@(\\w\\-
.)[A-Z]

$", Pattern.CASE_INSENSITIVE);

to

private static final Pattern EMAIL_PATTERN = Pattern.compile("^{[a-z0-9!#$%&'*+/=?}_`

~-])@(?:[a-z0-9](?:[a-z0-9-][a-z0-9])?
.)[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$", Pattern.CASE_INSENSITIVE);

Riccardo

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