RegEx change chars case
| pattern | info | example |
|---|---|---|
\U | uppercase | ABC DEF GHI |
\L | lowercase | abc def ghi |
\I | initial capitals | Abc Def Ghi |
\F | first capital | Abc def ghi |
\E | exit case changes | |
\Xn | apply to reference | \U1 = \U\1\E |
Source: Replacement Text Case Conversion