格式化标题为首字母大写，特别符号除外

sanitize_at_name.py

def sanitize_at_name(name, decode = False):
    """ Sanitize achternaam, optionally decodes
    to unicode string from AT input """
 
    if decode:
        name = unicode(name, 'iso-8859-15')
 
    tussenvoegsels = [
        "af",
        "aan",
        "bij",
        "de", "den", "der", "d",
        "het", "t",
        "in",
        "onder",
        "op",
        "over",
        "'s",
        "'t",
        "te", "ten", "ter",
        "tot",
        "uit", "uijt",
        "van", "vanden",
        "ver",
        "voor",
    ]
 
    return " ".join([word.title() if word.lower() not in tussenvoegsels
                    else word.lower() for word in name.split()])
print(sanitize_at_name("the cat van walked de down the road."))