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isNumeric
Checks if a string is numeric, that is, whether or not it can be converted to a numeric value.
Usage:
isNumeric( x )
Parameters:
| x | The string to check |
|---|
Returns:
True if the string is numeric, false otherwise.
Examples:
isNumeric("abc") // Returns false.
isNumeric("12m1") // Returns false.
isNumeric("45") // Returns true.
isNumeric("1.2") // Returns true.
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