net: v4Seg should use different order of elements in RegExp

Author: Uzlopak

lib/internal/net.js

@@ -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 = '(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])';
+const v4Str = `(?:${v4Seg}\.){3}${v4Seg}`;
 const IPv4Reg = new RegExp(`^${v4Str}$`);
 
 // IPv6 Segment