replaces the wildcards with java 's regex semantics . concode_field_sep Pattern SPECIAL_REGEX_CHARS concode_field_sep List<AlluxioURI> getAlluxioURIs concode_elem_sep List<AlluxioURI> getAlluxioURIs concode_elem_sep String getFilePath concode_elem_sep boolean match concode_elem_sep boolean match concode_elem_sep String validatePath concode_elem_sep List<File> getFiles concode_elem_sep List<File> getFiles concode_elem_sep String escape