- removed space escapes from MySQL SHOW GRANTS regex

- proper checking for with grant option (if this is not the only option the user has)
- added revoking of grant option

mysql_user

@@ -170,12 +170,12 @@ def privileges_get(cursor, user,host):
     cursor.execute("SHOW GRANTS FOR %s@%s", (user,host))
     grants = cursor.fetchall()
     for grant in grants:
-        res = re.match("GRANT\ (.+)\ ON\ (.+)\ TO\ '.+'@'.+'[\ IDENTIFIED\ BY\ PASSWORD\ '.+']?\ ?(.*)", grant[0])
+        res = re.match("GRANT (.+) ON (.+) TO '.+'@'.+'( IDENTIFIED BY PASSWORD '.+')? ?(.*)", grant[0])
         if res is None:
             module.fail_json(msg="unable to parse the MySQL grant string")
         privileges = res.group(1).split(", ")
         privileges = ['ALL' if x=='ALL PRIVILEGES' else x for x in privileges]
-        if res.group(3) == "WITH GRANT OPTION":
+        if "WITH GRANT OPTION" in res.group(4):
           privileges.append('GRANT')
         db = res.group(2).replace('`', '')
         output[db] = privileges
@@ -205,6 +205,8 @@ def privileges_unpack(priv):
 def privileges_revoke(cursor, user,host,db_table):
     query = "REVOKE ALL PRIVILEGES ON %s FROM '%s'@'%s'" % (db_table,user,host)
     cursor.execute(query)
+    query = "REVOKE GRANT OPTION ON %s FROM '%s'@'%s'" % (db_table,user,host)
+    cursor.execute(query)
 
 def privileges_grant(cursor, user,host,db_table,priv):