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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Determine-if-a-string-is-numeric/ERRE/determine-if-a-string-is-numeric.erre Normal file
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PROGRAM NUMERIC
PROCEDURE IS_NUMERIC(S$->ANS%)
LOCAL T1,T1$
T1=VAL(S$)
T1$=STR$(T1)
ANS%=(T1$=S$) OR T1$=" "+S$
END PROCEDURE
BEGIN
PRINT(CHR$(12);)
INPUT("Enter a string",S$)
IS_NUMERIC(S$->ANS%)
IF ANS% THEN PRINT("is num") ELSE PRINT("not num")
END PROGRAM