nico search extention

An extension that enhances Niconico's minus (exclusion) search feature. This extension enhances excluded-tag searches on Niconico Video. There are four main features: 1. Automatically apply excluded-tag settings when searching Niconico Video tags 2. Search tags, including excluded tags, from the popup 3. Add a tag to excluded tags by right-clicking it 4. Show an alert if you accidentally open a video containing an excluded tag The excluded-tag settings for features 1 and 2 can be turned on or off, and excluded tags can also be configured in those options. How to use: https://www.nicovideo.jp/watch/sm40678635 Update history v1.1.2: Fixed adding excluded tags via right-click not working correctly v1.1.3 Fixed searchadapt being applied in contents.js instead of background.js v1.1.4 Added tagChangeDom.js to remove excluded tags from updated screens v1.1.5 Added a splitting method after discovering that Niconico tag searches can be separated with + v1.1.6 Strengthened the match-pattern regular expression after confirming it also affected Niconico Seiga v1.1.7 Fixed a bug that removed spaces from the tag search text box v1.1.8 Rewrote parts that stopped working when some headers were removed in v1.1.7