s/"\([^"]*\)"/“\1”/g s/`\([^`']*\)'/‘\1’/g s/ '\([^`']*\)' / ‘\1’ /g s/ '\([^`']*\)'$/ ‘\1’/g s/^'\([^`']*\)' /‘\1’ /g s/“”/""/g
s/"\([^"]*\)"/“\1”/g s/`\([^`']*\)'/‘\1’/g s/ '\([^`']*\)' / ‘\1’ /g s/ '\([^`']*\)'$/ ‘\1’/g s/^'\([^`']*\)' /‘\1’ /g s/“”/""/g