remove redundant parts

Signed-off-by: fbt <fbt@fleshless.org>

sx-open.cfg

@@ -1,6 +1,7 @@
 #!syntax bash
 # Configuration file for sx-open
 # Note that as sx-open checks the regexes in order, they should be placed in order from specific to less so.
+# Regexes imply '^$'
 
 # Disable desktop notifications
 #cfg notify false
@@ -23,10 +24,10 @@
 
 # Or you can specify a regex for the entire uri:
 # uri <cmd>         <regex>[ <regex> ...]
-#uri steam          '^steam:'
-#uri browser        '^(https?|ftp):'
+#uri steam          'steam:'
+#uri browser        '(https?|ftp):'
 
 # Mime types for filesystem targets:
 # mime <cmd>        <regex>[ <regex> ...]
-#mime sxiv          '^image/'
-#mime libreoffice   '^application/msword$'
+#mime sxiv          'image/'
+#mime libreoffice   'application/msword'