diff --git a/Lib/re.py b/Lib/re.py
index ea41217..1d82b50 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -142,9 +142,7 @@
 
 __version__ = "2.2.1"
 
-@enum.global_enum
-@enum._simple_enum(enum.IntFlag, boundary=enum.KEEP)
-class RegexFlag:
+class RegexFlag(enum.IntFlag):
     ASCII = A = sre_compile.SRE_FLAG_ASCII # assume ascii "locale"
     IGNORECASE = I = sre_compile.SRE_FLAG_IGNORECASE # ignore case
     LOCALE = L = sre_compile.SRE_FLAG_LOCALE # assume current 8-bit locale
@@ -156,6 +154,30 @@ class RegexFlag:
     TEMPLATE = T = sre_compile.SRE_FLAG_TEMPLATE # disable backtracking
     DEBUG = sre_compile.SRE_FLAG_DEBUG # dump pattern after compilation
 
+    def __repr__(self):
+        if self._name_ is not None:
+            return f're.{self._name_}'
+        value = self._value_
+        members = []
+        negative = value < 0
+        if negative:
+            value = ~value
+        for m in self.__class__:
+            if value & m._value_:
+                value &= ~m._value_
+                members.append(f're.{m._name_}')
+        if value:
+            members.append(hex(value))
+        res = '|'.join(members)
+        if negative:
+            if len(members) > 1:
+                res = f'~({res})'
+            else:
+                res = f'~{res}'
+        return res
+    __str__ = object.__str__
+globals().update(RegexFlag.__members__)
+
 # sre exception
 error = sre_compile.error