Title: Uncaught SyntaxError: Invalid regular expression Last modified: February 24, 2021 --- # Uncaught SyntaxError: Invalid regular expression * Resolved [b1026q9](https://wordpress.org/support/users/b1026q9/) * (@b1026q9) * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/) * I am seeing this error in developer console on chrome. * Uncaught SyntaxError: Invalid regular expression: /[‘窶兢/: Unterminated character class * and error source seems here.( I have replaced the IDs with 0 just in case. * [https://www.paypalobjects.com/muse/analytics/index.html?frameId=000000000&propertyId=000000000-1&flow=visitor-info&variant=analytics&mrid=000000000&isMobileEnabled=true&isDesktopEnabled=true&shouldCheckCountry=true&mobileVariant=analytics&mobileFlow=visitor-info](https://www.paypalobjects.com/muse/analytics/index.html?frameId=000000000&propertyId=000000000-1&flow=visitor-info&variant=analytics&mrid=000000000&isMobileEnabled=true&isDesktopEnabled=true&shouldCheckCountry=true&mobileVariant=analytics&mobileFlow=visitor-info) * Can you fix this issue? - This topic was modified 5 years, 2 months ago by [b1026q9](https://wordpress.org/support/users/b1026q9/). Viewing 5 replies - 1 through 5 (of 5 total) * Plugin Support [Senff – a11n](https://wordpress.org/support/users/senff/) * (@senff) * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14101406) * Hey [@b1026q9](https://wordpress.org/support/users/b1026q9/), * This error may be related to your site’s language settings. Could you try and temporarily switch your site to English, and see if that makes the error disappear? * Thread Starter [b1026q9](https://wordpress.org/support/users/b1026q9/) * (@b1026q9) * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14102777) * I have switched the language but still the same error appeared. * [crazywickedawesome](https://wordpress.org/support/users/crazywickedawesome/) * (@crazywickedawesome) * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14107935) * Hi [@b1026q9](https://wordpress.org/support/users/b1026q9/)! * Thanks for letting us know! * When you switched the site language, did you also make sure to clear your site and browser cache? * If not, could you please try that, and check again? * Additionally, It will be great if you could share your current System Status Report. You can get it by navigating to the `WooCommerce / Status` section of your site. Once there, click on the `Get system report` button and then copy it by clicking on the `Copy for support` button. Then paste it here in a comment. * Best, * Thread Starter [b1026q9](https://wordpress.org/support/users/b1026q9/) * (@b1026q9) * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14113338) * Yes, I checked after deleting the cache, but was the same. * —– * ### WordPress Environment ### * WordPress address (URL): [https://www.mysite.com](https://www.mysite.com) Site address (URL): [https://www.mysite.com](https://www.mysite.com) WC Version: 5.0.0 REST API Version: ✔ 5.0.0 WC Blocks Version: ✔ 4.0.0 Action Scheduler Version: ✔ 3.1.6 WC Admin Version: ✔ 1.9.0 Log Directory Writable: ✔ WP Version: 5.6.2 WP Multisite: – WP Memory Limit: 256 MB WP Debug Mode: – WP Cron: – Language: en_GB External object cache: – * ### Server Environment ### * Server Info: Apache/2.4.25 (Debian) PHP Version: 7.4.15 PHP Post Max Size: 100 MB PHP Time Limit: 300 PHP Max Input Vars: 2500 cURL Version: 7.52.1 OpenSSL/ 1.0.2u * SUHOSIN Installed: – 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Number of Decimals: 2 Taxonomies: Product Types: external (external) grouped (grouped) pw gift card (pw-gift-card) simple (simple) variable (variable) * Taxonomies: Product Visibility: exclude-from-catalog (exclude-from-catalog) exclude-from-search (exclude-from-search) exclude-from-search (exclude-from-search- en) featured (featured) outofstock (outofstock) outofstock (outofstock-en) rated- 1 (rated-1) rated-2 (rated-2) rated-3 (rated-3) rated-4 (rated-4) rated-5 (rated- 5) * Connected to WooCommerce.com: ✔ * ### WC Pages ### * Shop base: #3807 – /shopping/ Cart: #2 – /cart/ Checkout: #28196 – /checkout/ My account: #4 – /my-account/ Terms and conditions: #3722 – /terms/ * ### Theme ### * Name: Astra Version: 1.0.0 Author URL: [http://wpastra.com/about/](http://wpastra.com/about/) Child Theme: ✔ Parent Theme Name: Astra Parent Theme Version: 3.0.3 Parent Theme Author URL: [https://wpastra.com/about/](https://wpastra.com/about/) WooCommerce Support: ✔ * ### Templates ### * Overrides: – * ### Action Scheduler ### * Complete: 652 Oldest: 2021-01-29 09:10:07 +0100 Newest: 2021-02-28 08:47:48 +0100 * Pending: 3 Oldest: 2021-02-28 20:20:03 +0100 Newest: 2021-03-04 16:10:05 +0100 * ` * [mother.of.code](https://wordpress.org/support/users/imazed/) * (@imazed) * The Mother of Code * [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14116584) * Looking at the active plugins you have, I suspect you may be running into a code conflict here. The best way to determine this is to: - Temporarily switch your theme to [Storefront](https://www.woocommerce.com/storefront/) - Disable all plugins except for WooCommerce, _even_ the ones you don’t think will make a difference! Leave the PayPal Checkout Gateway active as well. - Repeat the action that is causing the problem. * This is best done on a staging site. That’s a copy of your live site, so you can test things out without making changes to your actual site. Some hosting companies offer a staging site service within their hosting plans. If yours does not, there is a great free plugin that will allow you to build a complete staging site with a few button clicks: [https://wordpress.org/plugins/wp-staging](https://wordpress.org/plugins/wp-staging). * If you’re not seeing the same problem after completing the conflict test, then you know the problem was with the plugins and/or theme you deactivated. To figure out which plugin is causing the problem, reactivate your other plugins one by one, testing after each, until you find the one causing conflict. [You can find a more detailed explanation on how to do a conflict test here.](https://docs.woocommerce.com/document/how-to-test-for-conflicts/) Viewing 5 replies - 1 through 5 (of 5 total) The topic ‘Uncaught SyntaxError: Invalid regular expression’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/woocommerce-gateway-paypal-express- checkout_b298d1.svg) * [WooCommerce PayPal Checkout Payment Gateway](https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/) * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/#faq) * [Support Threads](https://wordpress.org/support/plugin/woocommerce-gateway-paypal-express-checkout/) * [Active Topics](https://wordpress.org/support/plugin/woocommerce-gateway-paypal-express-checkout/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-gateway-paypal-express-checkout/unresolved/) * [Reviews](https://wordpress.org/support/plugin/woocommerce-gateway-paypal-express-checkout/reviews/) * 5 replies * 4 participants * Last reply from: [mother.of.code](https://wordpress.org/support/users/imazed/) * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/uncaught-syntaxerror-invalid-regular-expression/#post-14116584) * Status: resolved