diff --git a/lua/typstar/autosnippets.lua b/lua/typstar/autosnippets.lua
index 8bf494e..3111cdd 100644
--- a/lua/typstar/autosnippets.lua
+++ b/lua/typstar/autosnippets.lua
@@ -32,7 +32,14 @@ end
 function M.snip(trigger, expand, insert, condition, priority)
     priority = priority or 1000
     return luasnip.snippet(
-        { trig = trigger, regTrig = true, wordtrig = false, priority = priority, snippetType = 'autosnippet' },
+        {
+            trig = trigger,
+            trigEngine = 'ecma',
+            regTrig = true,
+            wordtrig = false,
+            priority = priority,
+            snippetType = 'autosnippet'
+        },
         fmta(expand, { unpack(insert) }),
         {
             condition = function()
@@ -46,7 +53,7 @@ function M.snip(trigger, expand, insert, condition, priority)
 end
 
 function M.start_snip(trigger, expand, insert, condition, priority)
-    return M.snip('^%s*' .. trigger, expand, insert, condition, priority)
+    return M.snip('^\\s*' .. trigger, expand, insert, condition, priority)
 end
 
 function M.toggle_autosnippets()
diff --git a/lua/typstar/snippets/letters.lua b/lua/typstar/snippets/letters.lua
index 50b661c..4230039 100644
--- a/lua/typstar/snippets/letters.lua
+++ b/lua/typstar/snippets/letters.lua
@@ -29,7 +29,7 @@ local greek_letters = {
     { 'z', 'zeta' }, { 'Z', 'Zeta' },
 }
 local latin_letters = { 'f', 'u', 'v', 'w', 'y' } -- remaining ones are added dynamically
-local common_indices = { '%d+', 'i', 'j', 'k', 'n' }
+local common_indices = { '\\d+', 'i', 'j', 'k', 'n' }
 
 for _, letter in ipairs({ unpack(latin_letters) }) do
     table.insert(latin_letters, letter:upper())
@@ -40,7 +40,7 @@ local generate_index_snippets = function(letter)
         table.insert(letter_snippets,
             snip(letter .. '(' .. index .. ') ', letter .. '_(<>) ', { cap(1) }, math, 200))
         table.insert(letter_snippets,
-            snip('$' .. letter .. '$(' .. index .. ') ', '$' .. letter .. '_(<>)$ ', { cap(1) }, markup, 200))
+            snip('\\$' .. letter .. '\\$(' .. index .. ') ', '$' .. letter .. '_(<>)$ ', { cap(1) }, markup, 200))
     end
 end
 
diff --git a/lua/typstar/snippets/math.lua b/lua/typstar/snippets/math.lua
index 691faf5..7a0ee5c 100644
--- a/lua/typstar/snippets/math.lua
+++ b/lua/typstar/snippets/math.lua
@@ -75,8 +75,6 @@ return {
 
     snip('lm', 'lim <>', { i(1, 'a_n') }, math),
     snip('lim', 'lim_(<> ->> <>) <>', { i(1, 'n'), i(2, 'oo'), i(3, 'a_n') }, math),
-    snip('lim sup', 'limsup <>', { i(1, 'a_n') }, math),
-    snip('lim(_.*%-.*) sup', 'limsup<> <>', { cap(1), i(1, 'a_n') }, math),
-    snip('lim inf', 'liminf <>', { i(1, 'a_n') }, math),
-    snip('lim(_.*%-.*) inf', 'liminf<> <>', { cap(1), i(1, 'a_n') }, math),
+    snip('lim (sup|inf)', 'lim<> <>', { cap(1), i(1, 'a_n') }, math),
+    snip('lim(_.*-.*) (sup|inf)', 'lim<><> <>', { cap(2), cap(1), i(1, 'a_n') }, math),
 }
diff --git a/lua/typstar/snippets/matrix.lua b/lua/typstar/snippets/matrix.lua
index bb077da..8c76aac 100644
--- a/lua/typstar/snippets/matrix.lua
+++ b/lua/typstar/snippets/matrix.lua
@@ -78,6 +78,6 @@ local lmat = function(_, sp)
 end
 
 return {
-    snip('(%d)(%d)ma', 'mat(\n\t<>\n)', { d(1, mat) }, math),
-    snip('(%d)(%d)lma', 'mat(\n\t<>\n)', { d(1, lmat) }, math),
+    snip('(\\d)(\\d)ma', 'mat(\n\t<>\n)', { d(1, mat) }, math),
+    snip('(\\d)(\\d)lma', 'mat(\n\t<>\n)', { d(1, lmat) }, math),
 }
diff --git a/lua/typstar/snippets/visual.lua b/lua/typstar/snippets/visual.lua
index 6bf869d..693bf8c 100644
--- a/lua/typstar/snippets/visual.lua
+++ b/lua/typstar/snippets/visual.lua
@@ -61,12 +61,12 @@ end
 
 for _, val in pairs(operations) do
     table.insert(snippets, snip(val[1], val[2] .. '<>' .. val[3], { d(1, get_visual) }, math))
-    table.insert(snippets, snip('[%s$]' .. val[1], val[2] .. '<>' .. val[3], { i(1, '1') }, math))
+    table.insert(snippets, snip('[\\s$]' .. val[1], val[2] .. '<>' .. val[3], { i(1, '1') }, math))
     table.insert(snippets,
-        snip('([%w]+)'
+        snip('([\\w]+)'
             .. val[1], val[2] .. '<>' .. val[3], { cap(1) }, math, 900))
     table.insert(snippets,
-        snip('(.*[%)|%]|%}])' .. val[1], '<>', { f(wrap_brackets, {}, { user_args = { val } }), nil }, math, 1100))
+        snip('(.*[\\)|\\]|\\}])' .. val[1], '<>', { f(wrap_brackets, {}, { user_args = { val } }), nil }, math, 1100))
 end
 
 return {