IsNumeric(...) & IsValid("numeric", ...) not working for negative exponent notation numbers as strings

There is a difference in behaviour between Lucee and Adobe ColdFusion for IsNumeric(...) and IsValid("numeric", ...) when called on a number expressed with exponent notation as either a value greater or less than zero, for example 2E05 = 200,000 and 0.00000001 = 1E-08.

Under Lucee, the negative exponent notation string is returning false, but true with positive exponent notation string.

Adobe ColdFusion returns true for both positive/negative exponent notation and for both values as a number/string.

Lucee:
IsNumeric(2E05) = true
IsNumeric("2E05") = true
IsNumeric(1E-08) = true
IsNumeric("1E-08") = false

Adobe ColdFusion:
IsNumeric(2E05) = true
IsNumeric("2E05") = true
IsNumeric(1E-08) = true
IsNumeric("1E-08") = true

Fiddle Provided:
https://trycf.com/gist/7ebea1909a02916f02c82f8c491ccc9b/lucee5?theme=cobalt