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Can anyone please help tell me why below expression in immediate box shows the result as True?

? IsNumeric("1d11")

? IsNumeric("5000d110")

Thank you. Lei

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    These numbers are both valid hexadecimal numbers. Use If VarType(Evaluate("5000d110")) = vbDouble to check whether a string is a valid base 10 number. Commented Oct 8, 2017 at 18:25
  • Thank you Florent, this make perfect sense and solution. :) Commented Oct 8, 2017 at 19:28

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Both of these values are valid hexadecimal numeric values. That is why the result is true.

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