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                    | Title | Test
                        Details
                        
                        
                            FQDN for DNS configuration tool | 
                
                    | Expression | 
                            ^(?=^.{1,254}$)(^(?:(?!\.|-)([a-z0-9\-\*]{1,63}|([a-z0-9\-]{1,62}[a-z0-9]))\.)+(?:[a-z]{2,})$)$
                         | 
                
                    | Description | This regex matches FQDNs plus domains starting with an or containing asterisk. This is usefull for DNS configuration tools where you might have domains like *.domain.de or 12.152.80.in-addr.arpa. | 
                
                    | Matches | 12.152.80.in-addr.arpa | *.domain.de | test.de | 
                
                    | Non-Matches | test | test. | -.de | 
                
                    | Author | Rating:
                            
Not yet rated.
                        
                            Andreas Burger | 
            
        
    
        
        
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