bstrclean(X)
Returns a boolean value indicating whether the given string is plain (7-bit) ASCII (i.e., "8-bit clean").
Syntax
bstrclean(X)Input
| Argument | Type | Description |
|---|---|---|
X |
text | The string on which to apply the function A scalar value or the name of a column |
Return Value
Returns an integer value of 1 if every character in the string
X has a byte value less than 128 (i.e., can be represented in 7-bit
ASCII); otherwise, it returns 0.
If X is N/A, the result is 1.
Sample Usage
value |
bstrclean(value) |
|---|---|
| 'banana' | 1 |
| '琵琶' | 0 |
| '' | 1 |
| <arbitrary binary string with non-UTF-8 character sequences> | 0 |
Additional Information
- The related function
strclean(X)checks whether a string is legal UTF-8 Unicode.