alert("18723568888".replace(/(?=(\d{4})+$)/g,"-"));//横线
alert("18723568888".replace(/(?=(\d{4})+$)/g,"-")); //空格alert("18723568888".replace(/(?=(\d{4})+$)/g,"-"));
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js 手机号用横线分隔
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alert("18723568888".replace(/(?=(\d{4})+$)/g,"-"));//横线
alert("18723568888".replace(/(?=(\d{4})+$)/g,"-")); //空格alert("18723568888".replace(/(?=(\d{4})+$)/g,"-"));
image.png
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