SQL herhalende tekenreeks

Het volgende vindt patronen, bijv. 333... of 123... of 987...

Zie het als Rummy 500... Runs en groepen van 3 of meer.

Declare @Table table (col int)
Insert into @Table values
(4141243),(4290577),(98765432),(78635389),(4141243),(22222),(4290046),(55555555),(4141243),(6789),(77777),(45678),(4294461),(55555),(4141243),(5555)

Declare @Num table (Num int);Insert Into @Num values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9)

Select Distinct A.*
  From @Table A
  Join (
        Select Patt=replicate(Num,3) from @Num
        Union All
        Select Patt=right('000'+cast((Num*100+Num*10+Num)+12 as varchar(5)),3) from @Num where Num<8
        Union All
        Select Patt=reverse(right('000'+cast((Num*100+Num*10+Num)+12 as varchar(5)),3)) from @Num where Num<8
       ) B on CharIndex(Patt,cast(col as varchar(25)))>0

Retourneren

col
5555
6789
22222
45678
55555
77777
55555555
98765432

Als het u niet uitmaakt "runs" (123...) te identificeren", verwijdert u gewoon het volgende:

    Union All
    Select Patt=right('000'+cast((Num*100+Num*10+Num)+12 as varchar(5)),3) from @Num where Num<8
    Union All
    Select Patt=reverse(right('000'+cast((Num*100+Num*10+Num)+12 as varchar(5)),3)) from @Num where Num<8