htaccess exclude one url from Basic Auth

Question

I need to exclude one Url (or even better one prefix) from normal htaccess Basic Auth protection. Something like /callbacks/myBank or /callbacks/.*

Answer 1

        SetEnvIf Request_URI "/callback/.*" REDIRECT_noauth=1

        AuthType Basic
        AuthName "Restricted Files"
        AuthUserFile /etc/httpd/passwords/passwords
        Order Deny,Allow
        Satisfy any
        Deny from all
        Allow from env=REDIRECT_noauth
        Require user yournickname