待处理:
>>> re.findall(r'[-+]*\d+(?:\.\d+)?','-++++---+123.012') ['-++++---+123.012'] >>> re.findall(r'[-+]*\d+(\.\d+)?','-++++---+123.012') ['.012']
待处理:
>>> re.findall(r'[-+]*\d+(?:\.\d+)?','-++++---+123.012') ['-++++---+123.012'] >>> re.findall(r'[-+]*\d+(\.\d+)?','-++++---+123.012') ['.012']
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