Character replacement

[TheGhost78]

There are still a few characters that appear to be causing a problem in Replace. I have added them to Character Translations in Special, which works fine.
Æ 198
Ð 208
Ø 216
Þ 222
æ 230
ð 240
ø 248
þ 254
? 262
? 263
? 272
? 304
? 321
? 322
Π338
œ 339
? 637
? 919
? 951
? 1030
? 1110
? 10744
? 11364
? 11367
? 11368

[TheGhost78]

https://qaz.wtf/u/show.cgi?show=%C3%86+%C3%90+%C3%98+%C3%9E+%C3%A6+%C3%B0+%C3%B8+%C3%BE+%C4%86+%C4%87+%C4%90+%C4%B0+%C5%81+%C5%82+%C5%92+%C5%93+%C9%BD+%CE%97+%CE%B7+%D0%86+%D1%96+%E2%A7%B8+%E2%B1%A4+%E2%B1%A7+%E2%B1%A8&type=string

[Admin]

How comes they don 't work in Replace? Is it happening using the \regex\ prefix? Do they work in RegEx(1)? thank you