ESeq opts = obj2.testSeq();
Options o = new Options();
String pattern;
ETuple4 tup = ETuple4.cast(obj1);
if (tup != null && tup.elem1 == ECompiledRE.am_re_pattern) {
EBinary b = tup.elem4.testBinary();
byte[] byteArray = b.getByteArray();
if (b != null && b.byteAt(0) == '/') {