mvSQL database function - IsNumeric()¶
Summary¶
Determines whether an expression is a valid numeric type.
Syntax¶
ISNUMERIC( <Expression>)
Parameters¶
Expression¶
An expression that is a string type
Returns¶
int¶
Returns 1 if Expression is a number, 0 if it is not
Remarks¶
SQL Server correctly handles E notation and commas in numbers, whereas the other database providers do not.
Examples¶
ISNUMERIC('-123.45')
Returns
1
ISNUMERIC('123ABC')
Returns
0
ISNUMERIC('X123')
Returns
0