@isnumber does not work

HCL Domino Domino Forum
1

dear all,I have this validation on a button why this does not identify number…please help me

V1:=@Left(@ToNumber(Lone_LNum);1);

@If(@IsNumber(V1);@Return (@Prompt ([Ok];“Error”;“Invalid character. First Digit should be in character format”));

“”);

shana

2

Subject: @isnumber does not work

What is the value of Lone_LNum?

3

Subject: @isnumber does not work

@Left is a string function – V1 will always be an error value.