php - Removing file extensions in .htaccess with wordpress -

i have static website running in conjunction wordpress in same dir, works fine. however, on static pages don't use wordpress cannot seem remove .php file extensions .htaccess file looks this:

# begin wordpress <ifmodule mod_rewrite.c> errordocument 404 /index2.php rewriteengine on rewritebase /index.php/ rewriterule ^index\.php$ - [l] rewritecond %{request_filename} !-f rewritecond %{request_filename} !-d rewriterule . /index.php [l] </ifmodule> # end wordpress  #alternate default index page directoryindex index2.php  errordocument 404 http://example.com/index2.php 

i have tried adding code wont work:

rewriteengine on rewritecond %{request_filename} !-f rewriterule ^([^\.]+)$ $1.php [nc,l] 

try this

rewritecond %{request_filename} !-d rewritecond %{request_filename}\.php -f rewriterule ^(.*)$ $1.php                       [l]