only use `new RegExp(...)` to define regex (not slashes)

client/components/main/globalSearch.js

@@ -190,10 +190,19 @@ BlazeComponent.extendComponent({
 
     this.searching.set(true);
 
-    const reOperator1 = /^((?<operator>[\p{Letter}\p{Mark}]+):|(?<abbrev>[#@]))(?<value>[\p{Letter}\p{Mark}]+)(\s+|$)/iu;
-    const reOperator2 = /^((?<operator>[\p{Letter}\p{Mark}]+):|(?<abbrev>[#@]))(?<quote>["']*)(?<value>.*?)\k<quote>(\s+|$)/iu;
-    const reText = /^(?<text>\S+)(\s+|$)/u;
-    const reQuotedText = /^(?<quote>["'])(?<text>[\w\p{L}]+)\k<quote>(\s+|$)/u;
+    const reOperator1 = new RegExp(
+      '^((?<operator>[\\p{Letter}\\p{Mark}]+):|(?<abbrev>[#@]))(?<value>[\\p{Letter}\\p{Mark}]+)(\\s+|$)',
+      'iu',
+    );
+    const reOperator2 = new RegExp(
+      '^((?<operator>[\\p{Letter}\\p{Mark}]+):|(?<abbrev>[#@]))(?<quote>["\']*)(?<value>.*?)\\k<quote>(\\s+|$)',
+      'iu',
+    );
+    const reText = new RegExp('^(?<text>\\S+)(\\s+|$)', 'u');
+    const reQuotedText = new RegExp(
+      '^(?<quote>["\'])(?<text>.*?)\\k<quote>(\\s+|$)',
+      'u',
+    );
 
     const operators = {
       'operator-board': 'boards',

models/boards.js

@@ -1263,12 +1263,16 @@ function boardRemover(userId, doc) {
 }
 
 Boards.uniqueTitle = title => {
-  const m = title.match(/^(?<title>.*?)\s*(\[(?<num>\d+)]\s*$|\s*$)/);
+  const m = title.match(
+    new RegExp('^(?<title>.*?)\\s*(\\[(?<num>\\d+)]\\s*$|\\s*$)'),
+  );
   const base = escapeForRegex(m.groups.title);
   let num = 0;
   Boards.find({ title: new RegExp(`^${base}\\s*\\[\\d+]\\s*$`) }).forEach(
     board => {
-      const m = board.title.match(/^(?<title>.*?)\s*\[(?<num>\d+)]\s*$/);
+      const m = board.title.match(
+        new RegExp('^(?<title>.*?)\\s*\\[(?<num>\\d+)]\\s*$'),
+      );
       if (m) {
         const n = parseInt(m.groups.num, 10);
         num = num < n ? n : num;