apache - mod_rewrite rewriterule question

i have few problems mod_rewrite rules. there 3 opposite url settlement i wish handle.

the following mod_rewrite manners don't unequivocally work. also i've problem query (example: user.html?foo=bar) doesn't have an effect.

<ifmodule mod_rewrite.c>
    rewriteengine on
    rewriterule ^([0-9a-za-z_-]*)/?([0-9a-za-z_]+)-?([0-9a-za-z_,]*)\.html$ index.php?__module=$1&__view=$2&__argv=$3

    rewriterule ^([0-9a-za-z_-]*)/?$ index.php?__module=$1&__view=&__argv=
</ifmodule>