re_bin_only_nmu = re.compile(r"\+b\d+$")
re_comments = re.compile(r"\#.*")
+re_whitespace_comment = re.compile(r"^\s*(#|$)")
re_no_epoch = re.compile(r"^\d+\:")
re_no_revision = re.compile(r"-[^-]+$")
re_arch_from_filename = re.compile(r"/binary-[^/]+/")
re_extract_src_version = re.compile (r"(\S+)\s*\((.*)\)")
re_isadeb = re.compile (r"(.+?)_(.+?)_(.+)\.u?deb$")
-re_issource = re.compile (r"(.+)_(.+?)\.(orig\.tar\.gz|diff\.gz|tar\.gz|dsc)$")
+orig_source_ext_re = r"orig(?:-.+)?\.tar\.(?:gz|bz2)"
+re_orig_source_ext = re.compile(orig_source_ext_re + "$")
+re_source_ext = re.compile("(" + orig_source_ext_re + r"|debian\.tar\.(?:gz|bz2)|diff\.gz|tar\.(?:gz|bz2)|dsc)$")
+re_issource = re.compile(r"(.+)_(.+?)\." + re_source_ext.pattern)
+re_is_orig_source = re.compile (r"(.+)_(.+?)\.orig(?:-.+)?\.tar\.(?:gz|bz2)$")
-re_single_line_field = re.compile(r"^(\S*)\s*:\s*(.*)")
+re_single_line_field = re.compile(r"^(\S*?)\s*:\s*(.*)")
re_multi_line_field = re.compile(r"^\s(.*)")
re_taint_free = re.compile(r"^[-+~/\.\w]+$")
re_user_name = re.compile(r"^pub:.*:(.*)<.*$", re.MULTILINE);
re_re_mark = re.compile(r'^RE:')
+re_parse_lintian = re.compile(r"^(?P<level>W|E|O): (?P<package>.*?): (?P<tag>[^ ]*) ?(?P<description>.*)$")