Enable regex search by default in staging2
Enable regex search by default in staging2

Masoumeh/arethusa,latin-language-toolkit/arethusa,PonteIneptique/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,alpheios-project/arethusa,alpheios-project/arethusa,alpheios-project/arethusa,Masoumeh/arethusa,PonteIneptique/arethusa