命名转换问题代码参考

import re

test = 'argsLwk'


def replaceHump(match):
    print(match)
    if match:
        line_fore, line_back = match.groups()
        print(line_back)
        print(line_fore)
        if len(line_back) == 1:
            line_back = line_back.lower()
            print(line_back)
        print(88888)
        print('_'.join([line_fore, line_back]))
        return '_'.join([line_fore, line_back])


# 调用 replace_hump 函数 将驼峰转为下划线命名
def hump2Line(strtf):
    ret = re.sub(r'([a-z])([A-Z]+)', replaceHump, strtf)
    print(ret)
    print(ret==re.sub(r"\d+", "_1", ret))
    return re.sub(r"\d+", "_1", ret)
    # print(ret)


a = hump2Line(test)
print(a)

# 
# <_sre.SRE_Match object; span=(3, 5), match='sL'>
# L
# s
# l
# 88888
# s_l
# args_lwk
# True
# args_lwk