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I want to get number from String in sql Example: mn21 or mnp100, how to get number from "mb21" or "mnp100". Then, i will sort order by numeric

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  • Do all strings end in a number? Commented Apr 16, 2015 at 1:19
  • yes, but they have different lenght Commented Apr 16, 2015 at 1:21

1 Answer 1

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You can use PATINDEX to search for the start index of the number and then RIGHT to get the remaining numbers:

WITH SampleData(string) AS(
    SELECT 'mn21' UNION ALL
    SELECT 'mnp100'
)
SELECT
    string, 
    Number = CAST(RIGHT(string, LEN(string) - PATINDEX('%[0-9]%', string) + 1) AS INT)
FROM SampleData
ORDER BY Number
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