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I have a list keyword want to block. I want to write a single rule to block them. For example, I want to block "foo", "bar" or "funny". As url-filter is regular expression. I tried to write rule as below but seems not working. // Not working {   "trigger": {    "url-filter": "foo|bar|funny" } } // Not working either {   "trigger": {    "url-filter": "(foo|bar|funny)" } } Any idea to support OR condition in url-filter ?