Set more flags in regex

src/main.cr

@@ -2,4 +2,4 @@ require "./**"
 
 lexer = Tartrazine.lexer("crystal")
 theme = Tartrazine.theme(ARGV[1])
-puts Tartrazine::Ansi.new.format(File.read(ARGV[0]), lexer, theme)
+puts Tartrazine::Html.new.format(File.read(ARGV[0]), lexer, theme)

src/rules.cr

@@ -106,6 +106,7 @@ module Tartrazine
       flags |= LibPCRE2::DOTALL if dotall
       flags |= LibPCRE2::CASELESS if ignorecase
       flags |= LibPCRE2::ANCHORED if anchored
+      flags |= LibPCRE2::NO_UTF_CHECK | LibPCRE2::JIT_PARTIAL_SOFT
       @re = Regex::PCRE2.compile(pattern, flags) do |error_message|
         raise Exception.new(error_message)
       end