diff --git a/lua/cmp/matcher_spec.lua b/lua/cmp/matcher_spec.lua
index 65ac89c..1f8b0d1 100644
--- a/lua/cmp/matcher_spec.lua
+++ b/lua/cmp/matcher_spec.lua
@@ -29,6 +29,7 @@ describe('matcher', function()
     assert.is.truthy(matcher.match('usela', 'useLayoutEffect') > matcher.match('usela', 'useDataLayer'))
     assert.is.truthy(matcher.match('true', 'v:true', { 'true' }) == matcher.match('true', 'true'))
     assert.is.truthy(matcher.match('g', 'get', { 'get' }) > matcher.match('g', 'dein#get', { 'dein#get' }))
+    assert.is.truthy(matcher.match('2', '[[2021') >= 1)
   end)
 
   it('debug', function()
diff --git a/lua/cmp/utils/char.lua b/lua/cmp/utils/char.lua
index fa85fdd..12a1809 100644
--- a/lua/cmp/utils/char.lua
+++ b/lua/cmp/utils/char.lua
@@ -82,6 +82,9 @@ char.is_semantic_index = function(text, index)
   if not char.is_alpha(prev) and char.is_alpha(curr) then
     return true
   end
+  if not char.is_digit(prev) and char.is_digit(curr) then
+    return true
+  end
   return false
 end