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Regular Expression
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(?<prefix1>\d{0,3}?)(?<threes1>\d{1,3})\/(?<prefix2>\d{0,3})(?<threes2>\d{3})
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g
Input 1
New
1/1 12/1 123/1 1234/1 12345/1 123456/1 1/12 1/123 1/1234 1/12345 1/123456 12/12 123/12 1234/12 12345/12 123456/12 12/123 12/1234 12/12345 12/123456 123/123 1234/123 12345/123 123456/123 123/1234 123/12345 123/123456 1234/1234 12345/1234 123456/1234 1234/12345 1234/123456 12345/12345 123456/12345 12345/123456 123456/123456