Let's say my table and data as following,declare @t1 table(col1 varchar(30))insert into @t1 values('72000 KUALA PILAH');insert into @t1 values('JALAN KELAB, 73000 TAMPIN, ');insert into @t1 values('71000 PORT DICKSON');insert into @t1 values('TG. IPOH, 71500 KUALA PILAH,');insert into @t1 values('TAMPIN 34789');how to recognize 5 digit number?my expected result,@t1myNumber---------------------7200073000710007150034789