Function isAsciiString

isAsciiString(value: string): boolean
Test whether a string is entirely ASCII — every code point in the range U+0000–U+007F. Unicode-aware via the u flag, so an astral-plane character (a single non-ASCII code point) correctly fails.
Parameters
- value: string
  The string to test.
Returns boolean
true if every character is ASCII; true for an empty string.
Example
```
isAsciiString('hello world') // => true
isAsciiString('café') // => false
isAsciiString('') // => true
```
- Defined in is-ascii-string.ts:24