g1smd - 11:19 am on Jan 10, 2013 (gmt 0)

[^\ ]* makes space for any and every query string parameter of any length - and it gets stripped in the redirect.

If extensions other than .htm are supposed to redirect, then replace the '\.htm' bit with '\.html', '\.php', '\.html?', '\.(html?|php)', '\.(html?|php[345]?)' or whatever you need in both places.