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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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Task/Determine-if-a-string-is-numeric/Wren/determine-if-a-string-is-numeric.wren Normal file
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import "/fmt" for Fmt
System.print("Are these strings numeric?")
for (s in ["1", "3.14", "-100", "1e2", "NaN", "0xaf", "rose"]) {
var i = Num.fromString(s) // returns null if 's' is not numeric
System.print(" %(Fmt.s(4, s)) -> %((i != null) ? "yes" : "no")")
}