diff --git a/runtime/syntax/git-commit.yaml b/runtime/syntax/git-commit.yaml
index 68032e1f0c..29c7353dea 100644
--- a/runtime/syntax/git-commit.yaml
+++ b/runtime/syntax/git-commit.yaml
@@ -1,7 +1,7 @@
 filetype: git-commit
 
 detect:
-    filename: "^(.*[\\/])?(COMMIT_EDITMSG|TAG_EDITMSG|MERGE_MSG)$"
+    filename: '^(.*[\\/])?(COMMIT_EDITMSG|TAG_EDITMSG|MERGE_MSG)$'
 
 rules:
     # File changes
diff --git a/runtime/syntax/git-config.yaml b/runtime/syntax/git-config.yaml
index a0f21e8d4d..9a13b389aa 100644
--- a/runtime/syntax/git-config.yaml
+++ b/runtime/syntax/git-config.yaml
@@ -1,7 +1,7 @@
 filetype: git-config
 
 detect:
-    filename: "git(config|modules)$|\\.git/config$"
+    filename: 'git(config|modules)$|^(.*[\\/])?\.?git[\\/]config$'
 
 rules:
     - constant: "\\<(true|false)\\>"
diff --git a/runtime/syntax/git-rebase-todo.yaml b/runtime/syntax/git-rebase-todo.yaml
index 724f9c9cb8..07c93b66f1 100644
--- a/runtime/syntax/git-rebase-todo.yaml
+++ b/runtime/syntax/git-rebase-todo.yaml
@@ -1,7 +1,7 @@
 filetype: git-rebase-todo
 
 detect:
-    filename: "^(.*[\\/])?git\\-rebase\\-todo$"
+    filename: '^(.*[\\/])?git\-rebase\-todo$'
 
 rules:
     # Rebase commands
diff --git a/runtime/syntax/ruby.yaml b/runtime/syntax/ruby.yaml
index 8915ed7470..dadb4c26aa 100644
--- a/runtime/syntax/ruby.yaml
+++ b/runtime/syntax/ruby.yaml
@@ -1,7 +1,7 @@
 filetype: ruby
 
 detect:
-    filename: "\\.(rb|rake|gemspec)$|^(.*[\\/])?(Gemfile|config.ru|Rakefile|Capfile|Vagrantfile|Guardfile|Appfile|Fastfile|Pluginfile|Podfile|\\.?[Bb]rewfile)$"
+    filename: '\.(rb|rake|gemspec)$|^(.*[\\/])?(Gemfile|config\.ru|Rakefile|Capfile|Vagrantfile|Guardfile|Appfile|Fastfile|Pluginfile|Podfile|\.?[Bb]rewfile)$'
     header: "^#!.*/(env +)?ruby( |$)"
 
 rules: