what s the error in this eregi_replace function

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$article="[coluor=yelow]hi[/coluor]";
$article = eregi_replace("\[coluor=([^\[]*)\]","<font color=\"\1\">", $article);

I want output:
<font coluor=yellow>hi[/colour]

[hand]

<?
$article="[coluor=orange]hi[/coluor]";
$article = eregi_replace("\[coluor=([^[]*)]","<font color=\"\\1\">", $article);
$article = eregi_replace("\[/coluor]","</font>", $article);
print $article;
?>

produces
<font color="orange">hi</font>

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Thank you toooooooooo much

[hand]

You're welcome