diff --git a/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts b/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts
index 60bf310947fa..5de7ab892a5a 100644
--- a/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts
+++ b/packages/eslint-plugin/src/rules/prefer-regexp-exec.ts
@@ -125,7 +125,12 @@ export default createRule({
argumentNode.type === AST_NODE_TYPES.Literal &&
typeof argumentNode.value === 'string'
) {
- const regExp = RegExp(argumentNode.value);
+ let regExp: RegExp;
+ try {
+ regExp = RegExp(argumentNode.value);
+ } catch {
+ return;
+ }
return context.report({
node: memberNode.property,
messageId: 'regExpExecOverStringMatch',
diff --git a/packages/eslint-plugin/tests/rules/prefer-regexp-exec.test.ts b/packages/eslint-plugin/tests/rules/prefer-regexp-exec.test.ts
index 2ac3c7a07ba7..46f192ab0ca1 100644
--- a/packages/eslint-plugin/tests/rules/prefer-regexp-exec.test.ts
+++ b/packages/eslint-plugin/tests/rules/prefer-regexp-exec.test.ts
@@ -74,6 +74,12 @@ const matchCount = (str: string, re: RegExp) => {
return (str.match(re) || []).length;
};
`,
+ // https://github.com/typescript-eslint/typescript-eslint/issues/6928
+ `
+function test(str: string) {
+ str.match('[a-z');
+}
+ `,
],
invalid: [
{
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