deleteme.[???].php
If I add to .htaccess line
RewriteRule ^deleteme.[0-9a-zA-Z]*\.php$ - [L]
it works ok
If I add in exceptions section of .htaccess maker such exception:
deleteme.[0-9a-zA-Z]*\.php
incorrect output is generated :
RewriteRule ^deleteme\.\[0\-9a\-zA\-Z\]\*\.php$ - [L]