/^<meta/s/charset=iso-8859-1/charset=UTF-8/ s/`\([^`']*\)'/‘\1’/g s/ '\([^`']*\)' / ‘\1’ /g s/ '\([^`']*\)'$/ ‘\1’/g s/ '\([^`']*\)'\([,:;!\?.>\)]\)/ ‘\1’\2/g s/^'\([^`']*\)' /‘\1’ /g