I think this is why I usually see `[A-Za-z]` for ascii. My previous employer decidedly ignored "non-english" text.
`[A-z]` -> https://regex101.com/r/IlhPiD/1
`[A-Za-z]` -> https://regex101.com/r/iWjwf2/1
After looking it up, `\p{L}` looks like it matches letters https://regex101.com/r/1UiG9S/1.