import re

打开文件并读取内容

with open('env.txt', 'r') as file: content = file.read()

使用正则表达式提取USER值

pattern = r'^USER=(.*)$' match = re.search(pattern, content, re.MULTILINE)

if match: user = match.group(1) print("USER值：", user) else: print("未找到USER值")