diff --git a/langserver/java/parser9.js b/langserver/java/parser9.js
index f5baac5..3aec27a 100644
--- a/langserver/java/parser9.js
+++ b/langserver/java/parser9.js
@@ -210,7 +210,7 @@ function parse2(source) {
  */
 function tokenize(source) {
     const blocks = [];
-    const re = /(\/\*[\d\D]*?\*\/)|(\/\/.*)|(\s+)|([a-zA-Z_]\w*)|(".*?")|('\\?.')|(\d\w*)|(::|\.{3}|[(){}\[\];,.@])|([=!~*/%^]=?|[?:]|>>?>?=?|<<?<?=?|[&][&=]?|[|][|=]?|\+[+=]?|-[-=>]?)|(.)|$/g;
+    const re = /(\/\*[\d\D]*?\*\/)|(\/\/.*)|(\s+)|([a-zA-Z_]\w*)|("[^\r\n\\"]*(?:\\.[^\r\n\\"]*)*")|('\\?.')|(\d\w*)|(::|\.{3}|[(){}\[\];,.@])|([=!~*/%^]=?|[?:]|>>?>?=?|<<?<?=?|[&][&=]?|[|][|=]?|\+[+=]?|-[-=>]?)|(.)|$/g;
     let lastIndex = 0;
     for (let m; m = re.exec(source);) {
         if (m.index > lastIndex) {