Samuele Locatelli
47 lines
1.6 KiB
Transact-SQL
47 lines
1.6 KiB
Transact-SQL
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/***************************************
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* FUNCTION f_onlyNumbers
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*
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* elimina tutti i caratteri alfabetici dalal stringa
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*
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* Steamware, S.E.L.
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* mod: 2010.03.19
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*
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****************************************/
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CREATE FUNCTION [dbo].[f_onlyNumbers] (@string NVARCHAR(255))
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RETURNS NVARCHAR(255) AS
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BEGIN
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DECLARE @answ NVARCHAR(255)
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-- sostituisco TUTTE le lettere dell'alfabeto
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SET @answ = (SELECT REPLACE(@string, 'a', ''))
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SET @answ = (SELECT REPLACE(@answ, 'b', ''))
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SET @answ = (SELECT REPLACE(@answ, 'c', ''))
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SET @answ = (SELECT REPLACE(@answ, 'd', ''))
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SET @answ = (SELECT REPLACE(@answ, 'e', ''))
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SET @answ = (SELECT REPLACE(@answ, 'f', ''))
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SET @answ = (SELECT REPLACE(@answ, 'g', ''))
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SET @answ = (SELECT REPLACE(@answ, 'h', ''))
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SET @answ = (SELECT REPLACE(@answ, 'i', ''))
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SET @answ = (SELECT REPLACE(@answ, 'j', ''))
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SET @answ = (SELECT REPLACE(@answ, 'k', ''))
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SET @answ = (SELECT REPLACE(@answ, 'l', ''))
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SET @answ = (SELECT REPLACE(@answ, 'm', ''))
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SET @answ = (SELECT REPLACE(@answ, 'n', ''))
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SET @answ = (SELECT REPLACE(@answ, 'o', ''))
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SET @answ = (SELECT REPLACE(@answ, 'p', ''))
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SET @answ = (SELECT REPLACE(@answ, 'q', ''))
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SET @answ = (SELECT REPLACE(@answ, 'r', ''))
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SET @answ = (SELECT REPLACE(@answ, 's', ''))
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SET @answ = (SELECT REPLACE(@answ, 't', ''))
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SET @answ = (SELECT REPLACE(@answ, 'u', ''))
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SET @answ = (SELECT REPLACE(@answ, 'v', ''))
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SET @answ = (SELECT REPLACE(@answ, 'w', ''))
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SET @answ = (SELECT REPLACE(@answ, 'x', ''))
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SET @answ = (SELECT REPLACE(@answ, 'y', ''))
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SET @answ = (SELECT REPLACE(@answ, 'z', ''))
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RETURN @answ
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END
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