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We changed our site url structure and for SEO purpose we need to redirect old url formats to new format
OLD URL: example.com/main-category/sub-category/product.aspx
there were alot of sub categories and we were experiencing duplicate pages as same product falls in many sub categories. We replaced sub category part in url with a static word "catalog"
New Url
example.com/main-category/catalog/product.aspx
please advise how to redirect all old pattern url to new url. remember there were many sub categories but now we have one static word catalog. Please help
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