170 def match(pattern, string, flags=0):  argument
173     return _compile(pattern, flags).match(string)
175 def fullmatch(pattern, string, flags=0):  argument
178     return _compile(pattern, flags).fullmatch(string)
180 def search(pattern, string, flags=0):  argument
183     return _compile(pattern, flags).search(string)
185 def sub(pattern, repl, string, count=0, flags=0):  argument
192     return _compile(pattern, flags).sub(repl, string, count)
194 def subn(pattern, repl, string, count=0, flags=0):  argument
203     return _compile(pattern, flags).subn(repl, string, count)
205 def split(pattern, string, maxsplit=0, flags=0):  argument
213     return _compile(pattern, flags).split(string, maxsplit)
215 def findall(pattern, string, flags=0):  argument
223     return _compile(pattern, flags).findall(string)
225 def finditer(pattern, string, flags=0):  argument
230     return _compile(pattern, flags).finditer(string)
232 def compile(pattern, flags=0):  argument
234     return _compile(pattern, flags)
241 def template(pattern, flags=0):  argument
243     return _compile(pattern, flags|T)
252 def escape(pattern):  argument
256     if isinstance(pattern, str):
257         return pattern.translate(_special_chars_map)
259         pattern = str(pattern, 'latin1')
260         return pattern.translate(_special_chars_map).encode('latin1')
271 def _compile(pattern, flags):  argument
276         return _cache[type(pattern), pattern, flags]
279     if isinstance(pattern, Pattern):
283         return pattern
284     if not sre_compile.isstring(pattern):
286     p = sre_compile.compile(pattern, flags)
294         _cache[type(pattern), pattern, flags] = p
298 def _compile_repl(repl, pattern):  argument
300     return sre_parse.parse_template(repl, pattern)
302 def _expand(pattern, match, template):  argument
304     template = sre_parse.parse_template(template, pattern)
307 def _subx(pattern, template):  argument
309     template = _compile_repl(template, pattern)
322     return _compile, (p.pattern, p.flags)