Description:
Find whether the specified data is string type.
Syntax:
ifstring(Exp)
Note:
The function finds whether the parameter Exp is of string type.
Parameter:
|
Exp |
An expression of any data type |
Return value:
Boolean value
Example:
|
ifstring("abc") |
true |
|
ifstring(1234) |
false |
|
ifstring("1980-01-01") |
true |
|
ifstring(date("1980-01-01")) |
false |
Related function: