Let's assume you got an awful text document from someone %@*& containing all kinds of exotic number separators. Naturally, you wouldn't want to kill the legitimate chars like the accents "'" within the words...
Try TextBroom on this text.
D'aujourd'hui 900 000 000 Francs.
10'000
80,000
20‘254
10, 20 bucks should not be changed. Neither should 100. 200.
R'200 is a large company.
Tomorrow, G'B will pay 100 Dollars. Or was it G,B?