private static String clean(String s) {
        s = s.replaceAll("[<>\"]", " ");
        s = s.trim();
        return s;
    }
This tries to split a "from" or "to" value into a person field and an email field.
This does not handle RFC encoded strings (e.g. "=?iso-8859-1?Q?H=E9roux_Louise?"),
you must decode them first.

@param string
@param personProperty
@param emailProperty
@param metadata
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-mail-commons/src/main/java/org/apache/tika/parser/mailcommons/MailUtil.java