Determine if a string is numeric: Difference between revisions
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<tt>number?</tt> is a standard R5RS scheme predicate
(define is-numeric? number?)
==[[SQL]]==
[[Category:SQL]]
-- Tested on Microsoft SQL Server 2005
declare @s varchar(10)
set @s = '1234.56'
print isnumeric(@s) --prints 1 if numeric, 0 if not.
if isnumeric(@s)=1 begin print 'Numeric' end
else print 'Non-numeric'
==[[Tcl]]==
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