[PHP] Help excluding files from rewrite rule condition in php

[Felipe93]

Options +FollowSymLinks
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)\.php$ /characterprofile.php?name=$1

RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)\.php$ /myaccount.php?name=$1

# Unless directory, remove trailing slash
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^([^/]+)/$ http://relicaria.ml/$1 [R=301,L]


# Redirect external .php requests to extensionless url
RewriteCond %{THE_REQUEST} ^(.+)\.php([#?][^\ ]*)?\ HTTP/
RewriteRule ^(.+)\.php$ http://relicaria.ml/$1 [R=301,L]

# Resolve .php file for extensionless php urls
RewriteRule ^([^/.]+)$ $1.php [L]
RewriteCond %{REQUEST_URI} !^/myaccount\.php$

im using this to remove php extension from my website and its working but i need to exclude some files from this rule like myaccount.php and some subfolders with some files like versions.php can anyone tell me how to do this? i couldnt find anything related to this or nothing that i could understand