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| Returns TRUE if the specified string variable (len:1) holds a numeric value. | |||
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| Parameters: | |
| String that holds the value that will be checked | |
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function boolean IsStringNumeric(string s)
begin
integer i;
boolean res;
res = true;
for (i=0;i<len(s);i=i+1) begin
if (IsDigit(mid(s,i,1))==false) then begin
res = false;
i = len(s)+1;
end;
end;
IsStringNumeric = res;
return;
end;
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| Related topics: | |