class java/util/regex/Pattern
compile
 (Ljava/lang/String;)Ljava/util/regex/Pattern;
 (Ljava/lang/String;)L1java/util/regex/Pattern;
compile
 (Ljava/lang/String;I)Ljava/util/regex/Pattern;
 (Ljava/lang/String;I)L1java/util/regex/Pattern;
