Scalar FunctionsString Functions
isutf8
Whether the string is valid UTF-8.
Every string Berserk stores is valid UTF-8, so this is true for any string, the empty string included.
Syntax
isutf8(value)Parameters
Prop
Type
Given a dynamic field
This parameter is string-only. In permissive mode — the default — almost every field arrives as a dynamic, so passing one works because Berserk injects asstring: extract-or-null, the value when it really is a string and null otherwise, so the call yields null (a predicate yields false). A property bag or array is therefore not matched, and tostring() is never applied implicitly — use it explicitly to match a bag's JSON text, keys included. Strict mode rejects the dynamic instead of coercing it. See String coercion and the asXXX family.
Returns: bool
Examples
Example 1
print isutf8('Ålesund')| print_0 (bool) |
|---|
| true |