diff --git a/autoload/vimlparser.vim b/autoload/vimlparser.vim
index d35db75..649952d 100644
--- a/autoload/vimlparser.vim
+++ b/autoload/vimlparser.vim
@@ -1939,7 +1939,21 @@ endfunction
 
 " FIXME: validate argument
 function! s:VimLParser.parse_cmd_syntax()
-  let end = self.separate_nextcmd()
+  let end = self.reader.getpos()
+  while s:TRUE
+    let end = self.reader.getpos()
+    let c = self.reader.peek()
+    if c == "/" || c == "'" || c == "\""
+      call self.reader.getn(1)
+      call self.parse_pattern(c)
+    elseif c == "="
+      call self.reader.getn(1)
+      call self.parse_pattern(" ")
+    elseif self.ends_excmds(c)
+      break
+    endif
+    call self.reader.getn(1)
+  endwhile
   let node = s:Node(s:NODE_EXCMD)
   let node.pos = self.ea.cmdpos
   let node.ea = self.ea
diff --git a/go/vimlparser.go b/go/vimlparser.go
index 71b470d..f991fee 100644
--- a/go/vimlparser.go
+++ b/go/vimlparser.go
@@ -1774,7 +1774,21 @@ func (self *VimLParser) parse_wincmd() {
 
 // FIXME: validate argument
 func (self *VimLParser) parse_cmd_syntax() {
-	var end = self.separate_nextcmd()
+	var end = self.reader.getpos()
+	for true {
+		end = self.reader.getpos()
+		var c = self.reader.peek()
+		if c == "/" || c == "'" || c == "\"" {
+			self.reader.getn(1)
+			self.parse_pattern(c)
+		} else if c == "=" {
+			self.reader.getn(1)
+			self.parse_pattern(" ")
+		} else if self.ends_excmds(c) {
+			break
+		}
+		self.reader.getn(1)
+	}
 	var node = Node(NODE_EXCMD)
 	node.pos = self.ea.cmdpos
 	node.ea = self.ea
diff --git a/test/test_syncmd.ok b/test/test_syncmd.ok
index 86ba677..f56098d 100644
--- a/test/test_syncmd.ok
+++ b/test/test_syncmd.ok
@@ -3,3 +3,6 @@
 (excmd "syntax")
 (excmd "syntax enable")
 (excmd "syntax list GroupName")
+(excmd "syn match pythonError \"[&|]\\{2,}\" display")
+(excmd "syntax match qfFileName /^\\zs\\S[^|]\\+\\/\\ze[^|\\/]\\+\\/[^|\\/]\\+|/ conceal cchar=+")
+(excmd "syntax region jsString start=+\"+ skip=+\\\\\\(\"\\|$\\)+ end=+\"\\|$+ contains=jsSpecial,@Spell extend")
diff --git a/test/test_syncmd.vim b/test/test_syncmd.vim
index 6530641..d25dea0 100644
--- a/test/test_syncmd.vim
+++ b/test/test_syncmd.vim
@@ -2,3 +2,6 @@ if 1 | syntax on | endif
 syntax
 syntax enable
 syntax list GroupName
+syn match pythonError "[&|]\{2,}" display
+syntax match qfFileName /^\zs\S[^|]\+\/\ze[^|\/]\+\/[^|\/]\+|/ conceal cchar=+
+syntax region jsString start=+"+ skip=+\\\("\|$\)+ end=+"\|$+ contains=jsSpecial,@Spell extend