text.py 文件源码

def validate_label(label):
    # For now we can only handle [a-z ']
    if "(" in label or \
                    "<" in label or \
                    "[" in label or \
                    "]" in label or \
                    "&" in label or \
                    "*" in label or \
                    "{" in label or \
            re.search(r"[0-9]", label) != None:
        return None

    label = label.replace("-", "")
    label = label.replace("_", "")
    label = label.replace(".", "")
    label = label.replace(",", "")
    label = label.replace("?", "")
    label = label.strip()

    return label.lower()