As per this thread -
clarify what RewriteCond evaluation is "fast fail."
@@ -1059,6 +1059,13 @@ RewriteRule "^/$" "/homepage.std.html" [L]
the homepage is served. Otherwise, the standard page is served.
</p>
+ <p>By default, multiple <directive>RewriteCond</directive>s
+ are evaluated in sequence with an implied logical <strong>AND</strong>.
+ If a condition fails, in the absence of an
+ <strong><code>OR</code></strong> flag, the entire ruleset is abandoned,
+ and further conditions are not evaluated.
+ </p>
+
</usage>
</directivesynopsis>
