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Determine if a string is numeric: Difference between revisions
Determine if a string is numeric (view source)
Revision as of 08:14, 17 September 2015
, 8 years agoAdded EchoLisp
(Added Elixir) |
(Added EchoLisp) |
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}
}</lang>
=={{header|EchoLisp}}==
The conversion function '''string->number''' returns #f - false - in the string is not a number, else returns a number, which is #t - true - as far as logical operations are concerned
<lang scheme>
(string->number "albert")
→ #f
(string->number -666)
→ -666
(if (string->number 666) 'YES 'NO)
→ YES
</lang>
=={{header|Elixir}}==
Line 726 ⟶ 737:
"1 2" => false
</pre>
=={{header|Erlang}}==
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