validatePattern.js 528 B

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  1. 'use strict';
  2. Object.defineProperty(exports, '__esModule', {
  3. value: true
  4. });
  5. exports.default = validatePattern;
  6. /**
  7. * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
  8. *
  9. * This source code is licensed under the MIT license found in the
  10. * LICENSE file in the root directory of this source tree.
  11. */
  12. function validatePattern(pattern) {
  13. if (pattern) {
  14. try {
  15. // eslint-disable-next-line no-new
  16. new RegExp(pattern, 'i');
  17. } catch (e) {
  18. return false;
  19. }
  20. }
  21. return true;
  22. }