Rewrite Rules

[Tektonic Tektonic]

Hello,

New to this list so pardon me if I am asking a very common question (I am sure it's a common one though). It is about Rewrite Rules. We have a Magento website which use to respond slowly while working with Apache, so we decided to switch to Nginx and can see the difference already. However, the problem is the Apache Rewrite Rules which are causing all the links to redirect to "404 Not Found".

I have already tried more than a few solutions from Google but none worked.

Attached is the Rewrite Rules section of my .htaccess. Please check and suggest me a solution.

Regards.
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