isNumeric
Determines whether a string can be converted to a numeric value. Supports numbers in U.S. number format. For other number support use LSIsNumeric.
isNumeric(String) → returns boolean
Argument Reference
String string Required
Examples Sample code invoking the isNumeric function
isNumeric(23)Expected Result: YES
isNumeric("twenty")Expected Result: NO
The number 5e2 is scientific notation for 5 x 10^2 aka 500
isNumeric(5e2)Expected Result: YES
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