MT -> WP migration, attempting to match urls

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This Dreamhost support thread was started by dshen on 2009-12-08 09:50:39:

Post Reply? hey all, I’m brushing up on my .htaccess and regular expression skills! I just moved my MT blog to WP and am attempting to match the URLs so i don’t lose SEO juice. but my .htaccess skills aren’t all that great and haven’t touched reg exps in a long time. So i’m trying to make this WP URL: betaday09-11-17-09.shtml look like this MT URL: betaday09_111709.shtml it looks like in WP their is just substituting ‘-’ for any unusual characters while MT took out the slashes in dates, and then stuck a _ for spaces. can anyone help me with either an example of a substitution using a set of RewriteCond’s and RewriteRule’s, or a pointer to a webpage with examples of someone doing this thing? Thanks in advance! Dave

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