I need to work out a bunch of data with an algorithm i didn't choose. The algorithm has nothing to do with the "real" soundex algorithm (see Text::Soundex), even though it was called like that where i read it. So from now on i will baptize this algorithm Weirdex; this is described to receive a string in input and then:

• Strip chars outside [a-zA-Z] range
• Take all consonants except doubles (that should be reduced to one)
• Take just the first vowel

Examples:

Original	Weirdex
giulienk	gilnk
larry wall	larywl
etheroskedasticity	ethrskdstcty

My first coding of Weirdex is

sub weirdex {
    local $_ = shift;
    my ($weirdex, $vowel) = ('', 0);
    s/[^a-zA-Z]//g;
    for (split '') {
        if (/[aeiou]/i) {
            $vowel++ or $weirdex .= $_;
        } else {
            $weirdex .= $_ if substr($weirdex, -1, 1) ne $_;
        }
    }
    return $weirdex;
}
[download]

I'm interested in more elegant/efficient solutions, only regexp solutions and even Golf/Obfu ones.
Thank you.

$|=$_="1g2i1u1l2i4e2n0k",map{print"\7",chop;select$,,$,,$,,$_/7}m{..}g

---

---

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

• How do I compose an effective node title?
• How do I post a question effectively?
• Markup in the Monastery

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		&
	<		&lt;
	>		&gt;
	[		&#91;
	]		&#93;

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.