python 字段轉換

def to_camel_case(snake_str):
    words = snake_str.split('_')
    return words[0] + ''.join(w.capitalize() for w in words[1:])


def to_snake_case(camel_str):
    s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', camel_str)
    return re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1).lower()

 str1 = 'portMapping'api

str2 = 'port_mapping'app

> to_camel_case(str2)it

> portMappingmap

 

> to_snake_case(str1)word

>port_mappingping

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