!!! Overview [{$pagename}] is a Alphabetic [character] as defined in [ABNF] ([RFC 5234]) as:\\ ALPHA = %x41-5A / %x61-7A ; A-Z / a-z Using [Regular expression] it is oftne shown as [[A-Z][[a-z] !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]