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Editing: options-validator.js
jQuery(document).ready(function() { jQuery('textarea[w3tc-data-validator="regexps"]').change(function() { var v = jQuery(this).val(); var items = v.split("\n"); for (var n = 0; n < items.length; n++) { var regexp = items[n].trim(); if (regexp.length > 0) { try { new RegExp(regexp); } catch(e) { var error = 'Contains invalid regexp ' + regexp +', please fix'; console.log(error); jQuery(this)[0].setCustomValidity(error); return; } } } jQuery(this)[0].setCustomValidity(''); }); });
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