cfdocs

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

Name Type Required Default Description
String string Yes    

Integer isNumeric

isNumeric(23)

Expected Result: YES

String isNumeric

isNumeric("twenty")

Expected Result: NO

Scientific Notation

The number 5e2 is scientific notation for 5 x 10^2 aka 500

isNumeric(5e2)

Expected Result: YES