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/ (w+).yunyouni.com / 如何排除 www 这种情况

正则: /(w+).yunyouni.com/

要求:
遇到www.yunyouni.com 不能通过正则
其他xxx.yunyouni.com $1能拿到xxx

image.png

在线正则测试:https://regex101.com/


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正则群里的大佬给出了答案:

/^(?!www.)(w+).yunyouni.com/

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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