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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _namematcher(regex):
 """Checks if a target name matches with an input regular expression."""


    matcher = re_compile(regex)

    def match(target):
        target_name = getattr(target, '__name__', '')
        result = matcher.match(target_name)
        return result

    return match