SheetXL - v0.3.20
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    Variable isNumericConst

    isNumeric: (value: any) => boolean

    Checks if a given value can be parsed as a finite number.

    This function attempts to coerce the provided value into a number using parseAsNumber and then determines if the result is both finite and of type number. It filters out NaN, Infinity, -Infinity, and non-numeric types.

    Type declaration

      • (value: any): boolean

      • Parameters

        • value: any

          The value to be checked.

        Returns boolean

        true if the value can be parsed as a finite number, false otherwise.

    isNumeric("123");        // true
    isNumeric("12.34");      // true
    isNumeric("12e5");       // true
    isNumeric("abc");        // false
    isNumeric(null);         // false
    isNumeric(Infinity);     // false

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