Convert the url to lowercase.
How do we use mod_rewrite to convert URLs to lowercase and change docx extension to HTML?
Convert the url to lowercase.
RewriteMap tolower int:tolower RewriteRule ^([^/]+)/?$ somedir/${tolower:$1} [PT]
If it ends in .docx, change to .html
RewriteRule ^(.*?)\.docx(\?.*)$ $1.html$2 [PT]
Combined rewrite.
RewriteMap lowercase int:tolower RewriteRule (.*)\.[Dd][Oo][cC][xX](\?.*)?$ ${lowercase:$1}.html$2 [NC,R=301]
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