Brian Dunning's FileMaker Custom Functions

IsNumeric ( text )

Is the string numeric? (is it a number?)

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Kyle Williams   Kyle Williams - Show more from this author
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  Sample input:
IsNumeric ( "125 dollars")
IsNumeric ( "125.00")
  Sample output:

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Sometimes you need to verify that a serial number is numerical before merging 2 tables to avoid errors, Sometimes you just need to verify that a dollar value was entered as a number and not as "$102.00" or "102,00" or "102.00."



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