User`s guide

APPENDIX A Function Reference
User’s Guide 131
Parameters param
An expression or value to investigate.
Examples uIsInteger (“1”) // returns 1
uIsInteger (“2.34”) // returns 0
uIsInteger (“ABC”) // returns 0
ulsFloat
Description Returns 1 if the parameter can be interpreted as a floating point value.
Syntax number ulsFloat (params)
Parameters
params
An expression or value to investigate.
Examples uIsFloat(“1”) //returns 1
uIsFloat (“2.34”) //returns 1
uIsFloat (“ABC”) //returns 0
ulsNull
Description Returns 1 if the parameter is null.
Syntax number uIsNull (params)
Parameters
params
An expression or value to investigate.
Examples To check for a null value:
uIsNull(“1”) // returns 0
uIsNull(null) // returns 1
ulsNumber
Description Returns 1 if the parameter can be interpreted as a number.