index.js 497 B

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  1. "use strict";
  2. const ipRegex = require("ip-regex");
  3. const v4 = ipRegex.v4().source + "\\/(3[0-2]|[12]?[0-9])";
  4. const v6 = ipRegex.v6().source + "\\/(12[0-8]|1[01][0-9]|[1-9]?[0-9])";
  5. const cidr = module.exports = opts => opts && opts.exact ?
  6. new RegExp(`(?:^${v4}$)|(?:^${v6}$)`) :
  7. new RegExp(`(?:${v4})|(?:${v6})`, "g");
  8. cidr.v4 = opts => opts && opts.exact ? new RegExp(`^${v4}$`) : new RegExp(v4, "g");
  9. cidr.v6 = opts => opts && opts.exact ? new RegExp(`^${v6}$`) : new RegExp(v6, "g");