diff --git a/edit/sections-editor.js b/edit/sections-editor.js
index 51f55769..ab9d7651 100644
--- a/edit/sections-editor.js
+++ b/edit/sections-editor.js
@@ -622,7 +622,7 @@ function SectionsEditor() {
     const text = event.clipboardData.getData('text') || '';
     if (/@-moz-document/i.test(text) &&
         /@-moz-document\s+(url|url-prefix|domain|regexp)\(/i
-          .test(text.replace(/\/\*([^*]|\*(?!\/))*(\*\/|$)/g, ''))
+          .test(text.replace(/\/\*([^*]+|\*(?!\/))*(\*\/|$)/g, ''))
     ) {
       event.preventDefault();
       showMozillaFormatImport(text);
diff --git a/js/color/color-view.js b/js/color/color-view.js
index da4610c3..14e8b7c5 100644
--- a/js/color/color-view.js
+++ b/js/color/color-view.js
@@ -29,7 +29,7 @@
       '(?=[\\s;(){}[\\]/"!]|$)' +
     ')', 'gi');
   const RX_DETECT_FUNC = /((rgb|hsl)a?|hwb)\(/iy;
-  const RX_COMMENT = /\/\*([^*]|\*(?!\/))*(\*\/|$)/g;
+  const RX_COMMENT = /\/\*([^*]+|\*(?!\/))*(\*\/|$)/g;
   const SPACE1K = ' '.repeat(1000);
 
   // milliseconds to work on invisible colors per one run
diff --git a/js/csslint/csslint.js b/js/csslint/csslint.js
index 012e66d7..4c2d160d 100644
--- a/js/csslint/csslint.js
+++ b/js/csslint/csslint.js
@@ -112,7 +112,7 @@ class Reporter {
 //eslint-disable-next-line no-var
 var CSSLint = (() => {
 
-  const RX_EMBEDDED = /\/\*\s*csslint\s+((?:[^*]|\*(?!\/))+?)\*\//ig;
+  const RX_EMBEDDED = /\/\*\s*csslint\s+((?:[^*]+|\*(?!\/))+?)\*\//ig;
   const EBMEDDED_RULE_VALUE_MAP = {
     // error
     'true': 2,
diff --git a/js/csslint/parserlib.js b/js/csslint/parserlib.js
index da515330..64319e32 100644
--- a/js/csslint/parserlib.js
+++ b/js/csslint/parserlib.js
@@ -3104,7 +3104,7 @@ self.parserlib = (() => {
     readComment(first) {
       return first +
              this._reader.readCount(2 - first.length) +
-             this._reader.readMatch(/([^*]|\*(?!\/))*(\*\/|$)/y);
+             this._reader.readMatch(/([^*]+|\*(?!\/))*(\*\/|$)/y);
     }
 
     /**
diff --git a/js/sections-util.js b/js/sections-util.js
index f9e679ab..1e21aac1 100644
--- a/js/sections-util.js
+++ b/js/sections-util.js
@@ -72,7 +72,7 @@ function styleCodeEmpty(code) {
     return true;
   }
   let lastIndex = 0;
-  const rx = /\s+|\/\*([^*]|\*(?!\/))*(\*\/|$)|@namespace[^;]+;|@charset[^;]+;/giyu;
+  const rx = /\s+|\/\*([^*]+|\*(?!\/))*(\*\/|$)|@namespace[^;]+;|@charset[^;]+;/giyu;
   while (rx.exec(code)) {
     lastIndex = rx.lastIndex;
     if (lastIndex === code.length) {
diff --git a/tools/test.js b/tools/test.js
index f2fc3568..c034cf7d 100644
--- a/tools/test.js
+++ b/tools/test.js
@@ -8,7 +8,7 @@ function testGlobalCss() {
   const css = fs.readFileSync('global.css', {encoding: 'utf8'});
   const ERR = 'global.css: missing the transition suppressor rule';
   const RX_SUPPRESSOR = /[^{}]+#\\1\s?transition-suppressor[^{}]+{\s*transition:\s*none\s*!\s*important/i;
-  const RX_COMMENT = /\/\*([^*]|\*(?!\/))*(\*\/|$)/g;
+  const RX_COMMENT = /\/\*([^*]+|\*(?!\/))*(\*\/|$)/g;
   if (!RX_SUPPRESSOR.test(css.replace(RX_COMMENT, ''))) {
     console.error(ERR);
     process.exit(1);