2017-12-03 220 views
0

可變source包含IP地址的,我試圖在陣列ips得到,但不順心的事,我無法找到錯誤...收集所有的IP(V4,V6)使用正則表達式失敗

var ips = source.match(/((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$))\b/g);

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變量'source'由包含字符串的IP地址,是否正確? – Acidic

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是的,酸性,正確! –

+0

我不確定你的意思,「_something goes wrong_」。我把它插入到我的RegEx工具中,並且你有一些我會考慮的問題。例如,在字符串開始之後,但在IP地址之前,您需要某種類型的空白。由此產生的報告對於這個網站來說太大了,但是不知道你的源代碼是什麼樣子以及你真的想從中得到什麼,我會考慮很多問題。 –

回答

0

由於您沒有提供可驗證的樣本,我將根據Syzdek的出色ipv6-regex-test.sh提供端到端的demo工作。

正則表達式表達:

(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}| ([0-9a-fA-F]{1,4}:){1,7}:| ([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}| ([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}| ([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}| ([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}| ([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}| [0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})| :((:[0-9a-fA-F]{1,4}){1,7}|:)| fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}| ::(ffff(:0{1,4}){0,1}:){0,1} ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3} (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])| ([0-9a-fA-F]{1,4}:){1,4}: ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3} (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])) |((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])

演示代碼:

var ips = new Array();; 
 
const regex = /(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))|((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])/g; 
 
const str = `3ffe:1900:4545:3:200:f8ff:fe21:67cf 
 
fe80:0:0:0:200:f8ff:fe21:67cf 
 
192.168.0.1`; 
 
let m; 
 

 
while ((m = regex.exec(str)) !== null) { 
 
    // This is necessary to avoid infinite loops with zero-width matches 
 
    if (m.index === regex.lastIndex) { 
 
     regex.lastIndex++; 
 
    } 
 
    // capturing group 0: full match 
 
    console.log(m[0]); 
 
    ips.push(m[0]); 
 
} 
 

 
console.log(ips);