findall 的捕獲分組與非捕獲分組
# -*- coding:utf-8 -*
import re
str1 = 'fdg@163.com abc@qq.com' reg_str1=r'([0-9a-zA-Z_]+)+@'# 打印結果 ['fdg', 'abc'] #reg_str1=r'(?:[0-9a-zA-Z_]+)+@'# 打印結果 ['fdg@', 'abc@'] mod = re.compile(reg_str1) items = mod.findall(str1) print(items)