常用正则 about alexuse

[geqianqian-shihan]

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var reg = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\:([0-9]|[1-9]\d{1,3}|[1-5]\d{4}|6[0-5]{2}[0-3][0-5])$/;

var reg1 = /^((2[0-4][0-9])|(25[0-5])|(1[0-9]{0,2})|([1-9][0-9])|([1-9]))\.(((2[0-4][0-9])|(25[0-5])|(1[0-9]{0,2})|([1-9][0-9])|([0-9]))\.){2}((2[0-4][0-9])|(25[0-5])|(1[0-9]{0,2})|([1-9][0-9])|([1-9]))$/