Enable the unicorn/prefer-regexp-test ESLint plugin rule

Please see https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/prefer-regexp-test.md

.eslintrc

@@ -59,6 +59,7 @@
     "unicorn/prefer-dom-node-remove": "error",
     "unicorn/prefer-logical-operator-over-ternary": "error",
     "unicorn/prefer-modern-dom-apis": "error",
+    "unicorn/prefer-regexp-test": "error",
     "unicorn/prefer-string-starts-ends-with": "error",
 
     // Possible errors

src/core/xfa/config.js

@@ -1005,7 +1005,7 @@ class Rename extends ContentObject {
     // is no colon.
     if (
       this[$content].toLowerCase().startsWith("xml") ||
-      this[$content].match(new RegExp("[\\p{L}_][\\p{L}\\d._\\p{M}-]*", "u"))
+      new RegExp("[\\p{L}_][\\p{L}\\d._\\p{M}-]*", "u").test(this[$content])
     ) {
       warn("XFA - Rename: invalid XFA name");
     }

src/scripting_api/doc.js

@@ -876,7 +876,7 @@ class Doc extends PDFObject {
     for (const [name, field] of this._fields.entries()) {
       if (name.startsWith(fieldName)) {
         const finalPart = name.slice(len);
-        if (finalPart.match(pattern)) {
+        if (pattern.test(finalPart)) {
           children.push(field);
         }
       }

test/resources/reftest-analyzer.js

@@ -214,9 +214,9 @@ window.onload = function () {
         const extra = match[4];
 
         gTestItems.push({
-          pass: !state.match(/FAIL$/),
+          pass: !state.endsWith("FAIL"),
           // only one of the following three should ever be true
-          unexpected: !!state.match(/^TEST-UNEXPECTED/),
+          unexpected: state.startsWith("TEST-UNEXPECTED"),
           random: random === "(EXPECTED RANDOM)",
           skip: extra === " (SKIP)",
           url,