关于正则多个匹配的问题

import re

text = "tc=TxPower:npCondition=AO:subsubtc=Avg tech=WLAN:subtc=Avg:freq=2442:ant=1:subtech=ax20MHz:rate=MCS9:pwr=-10:stream=1"

print([match.split('=') for match in re.split(':| ', text)])
print()
print([match for match in re.findall('(\w+)=(-?\w+)', text)])

[['tc', 'TxPower'], ['npCondition', 'AO'], ['subsubtc', 'Avg'], ['tech', 'WLAN'], ['subtc', 'Avg'], ['freq', '2442'], ['ant', '1'], ['subtech', 'ax20MHz'], ['rate', 'MCS9'], ['pwr', '-10'], ['stream', '1']]

[('tc', 'TxPower'), ('npCondition', 'AO'), ('subsubtc', 'Avg'), ('tech', 'WLAN'), ('subtc', 'Avg'), ('freq', '2442'), ('ant', '1'), ('subtech', 'ax20MHz'), ('rate', 'MCS9'), ('pwr', '-10'), ('stream', '1')]

>>> re.findall(r'(\w+)=(-?\w+)', text)
[('tc', 'TxPower'), ('npCondition', 'AO'), ('subsubtc', 'Avg'), ('tech', 'WLAN'), ('subtc', 'Avg'), ('freq', '2442'), ('ant', '1'), ('subtech', 'ax20MHz'), ('rate', 'MCS9'), ('pwr', '-10'), ('stream', '1')]