WILD card WIDE IP config on GTM

Manual Chapter: BIG-IP DNS Configuration

BIG-IP Global Traffic Manager (GTM) supports these wildcard characters in wide IP names and aliases:

Question mark (?) Use to replace a single character, except a dot (.). Asterisk (*) Use to replace multiple consecutive characters with the exception of dots (.)

You can use one or more question marks or asterisks, or both question marks and asterisks in a wide IP name or alias. Valid uses of wildcard characters for the wide IP name include:

???.mydomain.net
www.??.domain.net
www.my*.net
www.??*.net
www.my*.*
???.my*.*
*.*.net
www.*.??