Determine if a string is numeric: Difference between revisions
Content added Content deleted
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<lang qbasic>INPUT "Your string: ", s$ |
<lang qbasic>INPUT "Your string: ", s$ |
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IF VAL(s$) = 0 THEN |
IF VAL(s$) = 0 AND s$ <> "0" THEN |
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PRINT "Not a number" |
PRINT "Not a number" |
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ELSE |
ELSE |
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