[mod] internal ! and external !! bangs: ignore upper/lower case

Closes: https://github.com/searxng/searxng/issues/1223

Suggested-by: @dalf https://github.com/searxng/searxng/issues/1223#issuecomment-1133772363
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/query.py

@@ -155,7 +155,7 @@ class ExternalBangParser(QueryPartParser):
         return raw_value.startswith('!!') and len(raw_value) > 2
 
     def __call__(self, raw_value):
-        value = raw_value[2:]
+        value = raw_value[2:].lower()
         found, bang_ac_list = self._parse(value) if len(value) > 0 else (False, [])
         if self.enable_autocomplete:
             self._autocomplete(bang_ac_list)
@@ -183,7 +183,7 @@ class BangParser(QueryPartParser):
         return raw_value[0] == '!' and (len(raw_value) < 2 or raw_value[1] != '!')
 
     def __call__(self, raw_value):
-        value = raw_value[1:].replace('-', ' ').replace('_', ' ')
+        value = raw_value[1:].replace('-', ' ').replace('_', ' ').lower()
         found = self._parse(value) if len(value) > 0 else False
         if found and raw_value[0] == '!':
             self.raw_text_query.specific = True

searx/settings.yml

@@ -711,26 +711,6 @@ engines:
     search_type: news
     disabled: true
 
-  - name: curlie
-    engine: xpath
-    shortcut: cl
-    categories: general
-    disabled: true
-    paging: true
-    lang_all: ''
-    search_url: https://curlie.org/search?q={query}&lang={lang}&start={pageno}&stime=92452189
-    page_size: 20
-    results_xpath: //div[@id="site-list-content"]/div[@class="site-item"]
-    url_xpath: ./div[@class="title-and-desc"]/a/@href
-    title_xpath: ./div[@class="title-and-desc"]/a/div
-    content_xpath: ./div[@class="title-and-desc"]/div[@class="site-descr"]
-    about:
-      website: https://curlie.org/
-      wikidata_id: Q60715723
-      use_official_api: false
-      require_api_key: false
-      results: HTML
-
   - name: currency
     engine: currency_convert
     categories: general