fix deprecation warnings in regexes

electrum/network.py

@@ -62,13 +62,13 @@ def parse_servers(result):
         pruning_level = '-'
         if len(item) > 2:
             for v in item[2]:
-                if re.match("[st]\d*", v):
+                if re.match(r"[st]\d*", v):
                     protocol, port = v[0], v[1:]
                     if port == '': port = constants.net.DEFAULT_PORTS[protocol]
                     out[protocol] = port
                 elif re.match("v(.?)+", v):
                     version = v[1:]
-                elif re.match("p\d*", v):
+                elif re.match(r"p\d*", v):
                     pruning_level = v[1:]
                 if pruning_level == '': pruning_level = '0'
         if out:

electrum/storage.py

@@ -54,7 +54,7 @@ def multisig_type(wallet_type):
     otherwise return None.'''
     if not wallet_type:
         return None
-    match = re.match('(\d+)of(\d+)', wallet_type)
+    match = re.match(r'(\d+)of(\d+)', wallet_type)
     if match:
         match = [int(x) for x in match.group(1, 2)]
     return match