Add support for regular expression data (#3441)

lib/linguist/languages.yml

@@ -3601,6 +3601,17 @@ Redcode:
   tm_scope: none
   ace_mode: text
   language_id: 321
+Regular Expression:
+  type: data
+  extensions:
+  - ".regexp"
+  - ".regex"
+  aliases:
+  - regexp
+  - regex
+  ace_mode: text
+  tm_scope: source.regexp
+  language_id: 363378884
 Ren'Py:
   type: programming
   aliases:
@@ -4298,6 +4309,7 @@ Text:
   - ".no"
   filenames:
   - COPYING
+  - COPYRIGHT.regex
   - FONTLOG
   - INSTALL
   - INSTALL.mysql
@@ -4597,9 +4609,9 @@ XCompose:
   type: data
   filenames:
   - ".XCompose"
-  - "XCompose"
-  - "xcompose"
-  tm_scope: 'config.xcompose'
+  - XCompose
+  - xcompose
+  tm_scope: config.xcompose
   ace_mode: text
   language_id: 225167241
 XML: