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masked matching direct recursive
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| let rec directmatch (s:string) (d:string) (i:int) (j:int) (prev:int) = | |
| if i = s.Length then true | |
| else | |
| if s.[i] = '*' then directmatch s d (i + 1) j i | |
| else | |
| if j < d.Length then | |
| if s.[i] = d.[j] then directmatch s d (i + 1) (j + 1) prev | |
| else directmatch s d (prev + 1) (j - i + prev + 2) prev | |
| else false |
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