RosettaCodeData/Task/Determine-if-a-string-is-numeric/EchoLisp/determine-if-a-string-is-numeric.echolisp

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2016-12-05 23:44:36 +01:00
(string->number "albert")
→ #f
(string->number -666)
→ -666
(if (string->number 666) 'YES 'NO)
→ YES