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net: fix IPv4 validation regex #40174

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net: fix IPv4 validation regex #40174

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4 changes: 2 additions & 2 deletions lib/internal/net.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,8 @@ const { writeBuffer } = internalBinding('fs');
const errors = require('internal/errors');

// IPv4 Segment
const v4Seg = '(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])';
const v4Str = `(${v4Seg}[.]){3}${v4Seg}`;
const v4Seg = '(?:[0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])';
const v4Str = `(?:${v4Seg}\\.){3}${v4Seg}`;
const IPv4Reg = new RegExp(`^${v4Str}$`);

// IPv6 Segment
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