code: static String jsRegExpToJavaRegExp(String re) {
  		re = re.replaceAll("\\[\\^\\\\\\d\\]", ".");
  		re = re.replaceAll("\\[([^\\]]*)\\\\b([^\\]]*)\\]", "[$1\\\\cH$2]"); // [...\b...]
  																				// ->
  																				// [...\cH...]
  		re = re.replaceAll("(?<!\\\\)\\[([^((?<!\\\\)\\[)\\]]*)\\[", "[$1\\\\["); // [...[...]
  																					// ->
  																					// [...\[...]
  
  		// back reference in character classes are simply ignored by browsers
  		re = re.replaceAll("(?<!\\\\)\\[([^\\]]*)(?<!\\\\)\\\\\\d", "[$1"); // [...ab\5cd...]
  																			// ->
  																			// [...abcd...]
  
  		// characters escaped without need should be "un-escaped"
  		re = re.replaceAll("(?<!\\\\)\\\\([ACE-RT-VX-Zaeg-mpqyz])", "$1");
  
  		re = escapeJSCurly(re);
  		return re;
  	}
docs: Transform a JavaScript regular expression to a Java regular expression
  
  @param re
  the JavaScript regular expression to transform
  @return the transformed expression