Title: Safari browser JavaScript regex error
Last modified: September 20, 2020

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# Safari browser JavaScript regex error

 *  Resolved [davidjennes](https://wordpress.org/support/users/davidjennes/)
 * (@davidjennes)
 * [5 years, 8 months ago](https://wordpress.org/support/topic/safari-browser-javascript-rejex-error/)
 * There seem to be a few issues in the latest versions when I try to edit a contact
   form, when using Safari (13.1.2 on macOS 10.15.6).
 * The error is always this one:
 * > SyntaxError: Invalid regular expression: invalid group specifier name
 * With CF7 Smart Grid extension 4.1.2, I was getting the error for line 255:
 * > regex = /(?<=\/\*)(.*?)(?=\s?\*\/)/im;
 * With version 4.1.4, I’m getting an error at line 354:
 * > helper = helper.replace(/^\n?\s*?\/\/.*\n?/gmi,”).replace(/(?<=.*)\n$/
 * This issue relates to [Grid Not Working Since Update](https://wordpress.org/support/topic/grid-not-working-since-update/),
   but created a separate topic as requested.
    -  This topic was modified 5 years, 8 months ago by [davidjennes](https://wordpress.org/support/users/davidjennes/).
    -  This topic was modified 5 years, 8 months ago by [davidjennes](https://wordpress.org/support/users/davidjennes/).

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Aurovrata Venet](https://wordpress.org/support/users/aurovrata/)
 * (@aurovrata)
 * [5 years, 8 months ago](https://wordpress.org/support/topic/safari-browser-javascript-rejex-error/#post-13441872)
 * thanks for the post. v4.2.0 should fix this issue. Can you confirm?
 *  Thread Starter [davidjennes](https://wordpress.org/support/users/davidjennes/)
 * (@davidjennes)
 * [5 years, 8 months ago](https://wordpress.org/support/topic/safari-browser-javascript-rejex-error/#post-13443549)
 * Jep, the editor works again, thanks!
 * Also verified in the console, not seeing any errors or warnings any more.
 *  Plugin Author [Aurovrata Venet](https://wordpress.org/support/users/aurovrata/)
 * (@aurovrata)
 * [5 years, 8 months ago](https://wordpress.org/support/topic/safari-browser-javascript-rejex-error/#post-13443896)
 * great

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Safari browser JavaScript regex error’ is closed to new replies.

 * ![](https://ps.w.org/cf7-grid-layout/assets/icon-256x256.png?rev=1834229)
 * [Smart Grid-Layout Design for Contact Form 7](https://wordpress.org/plugins/cf7-grid-layout/)
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 * 3 replies
 * 2 participants
 * Last reply from: [Aurovrata Venet](https://wordpress.org/support/users/aurovrata/)
 * Last activity: [5 years, 8 months ago](https://wordpress.org/support/topic/safari-browser-javascript-rejex-error/#post-13443896)
 * Status: resolved