Issue 4593 - Support regular expressions for CSS property matching

test/filterClasses.js

Index: test/filterClasses.js
===================================================================
--- a/test/filterClasses.js
+++ b/test/filterClasses.js
@@ -359,16 +359,21 @@
   compareFilter(test, "foo.com,~bar##[-abp-properties='abc']", ["type=cssrule", "text=foo.com,~bar##[-abp-properties='abc']", "selectorDomain=foo.com", "selector=[-abp-properties='abc']", "domains=FOO.COM|~BAR", "regexp=abc"]);
   compareFilter(test, "~foo.com,bar.com##[-abp-properties='abc']", ["type=cssrule", "text=~foo.com,bar.com##[-abp-properties='abc']", "selectorDomain=bar.com", "selector=[-abp-properties='abc']", "domains=BAR.COM|~FOO.COM", "regexp=abc"]);
 
   compareFilter(test, "##[-abp-properties='']", ["type=elemhide", "text=##[-abp-properties='']", "selector=[-abp-properties='']"]);
   compareFilter(test, "foo.com#@#[-abp-properties='abc']", ["type=elemhideexception", "text=foo.com#@#[-abp-properties='abc']", "selectorDomain=foo.com", "selector=[-abp-properties='abc']", "domains=FOO.COM"]);
   compareFilter(test, "foo.com##aaa [-abp-properties='abc'] bbb", ["type=cssrule", "text=foo.com##aaa [-abp-properties='abc'] bbb", "selectorDomain=foo.com", "selector=aaa [-abp-properties='abc'] bbb", "domains=FOO.COM", "prefix=aaa ", "regexp=abc", "suffix= bbb"]);
   compareFilter(test, "foo.com##[-abp-properties='|background-image: url(data:*)']", ["type=cssrule", "text=foo.com##[-abp-properties='|background-image: url(data:*)']", "selectorDomain=foo.com", "selector=[-abp-properties='|background-image: url(data:*)']", "domains=FOO.COM", "regexp=^background\\-image\\:\\ url\\(data\\:.*\\)"]);
 
+  // Test regexp property matching
+  compareFilter(test, "foo.com##[-abp-properties='/abc']", ["type=cssrule", "text=foo.com##[-abp-properties='/abc']", "selectorDomain=foo.com", "selector=[-abp-properties='/abc']", "domains=FOO.COM", "regexp=\\/abc"]);
+  compareFilter(test, "foo.com##[-abp-properties='abc/']", ["type=cssrule", "text=foo.com##[-abp-properties='abc/']", "selectorDomain=foo.com", "selector=[-abp-properties='abc/']", "domains=FOO.COM", "regexp=abc\\/"]);
+  compareFilter(test, "foo.com##[-abp-properties='/abc/']", ["type=cssrule", "text=foo.com##[-abp-properties='/abc/']", "selectorDomain=foo.com", "selector=[-abp-properties='/abc/']", "domains=FOO.COM", "regexp=abc"]);
+
   test.done();
 };
 
 exports.testEmptyElemHideDomains = function(test)
 {
   let emptyDomainFilters = [
     ",##selector", ",,,##selector", "~,foo.com##selector", "foo.com,##selector",
     ",foo.com##selector", "foo.com,~##selector",