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D9883.1768393176.diff
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diff --git a/lib/shared/markdown.js b/lib/shared/markdown.js
--- a/lib/shared/markdown.js
+++ b/lib/shared/markdown.js
@@ -347,6 +347,8 @@
);
}
+const ensRegex: RegExp = /^_?[a-zA-Z0-9-]{3,}\.eth$/;
+
export {
paragraphRegex,
paragraphStripTrailingNewlineRegex,
@@ -372,4 +374,5 @@
stripSpoilersFromNotifications,
stripSpoilersFromMarkdownAST,
parseChatMention,
+ ensRegex,
};
diff --git a/lib/shared/markdown.test.js b/lib/shared/markdown.test.js
--- a/lib/shared/markdown.test.js
+++ b/lib/shared/markdown.test.js
@@ -1,6 +1,6 @@
// @flow
-import { spoilerRegex } from './markdown.js';
+import { spoilerRegex, ensRegex } from './markdown.js';
import { chatMentionRegex } from './mention-utils.js';
// Each of the below tests is subject to the following RegEx pattern:
@@ -141,4 +141,43 @@
expect('@[256|1:test]]').not.toMatch(chatMentionRegex);
expect('@[[256|1:test]').not.toMatch(chatMentionRegex);
});
+
+ describe('ensRegex', () => {
+ it('should match all valid ENS names', () => {
+ expect('foo.eth').toMatch(ensRegex);
+ expect('jack.eth').toMatch(ensRegex);
+ expect('thisuserhasareallylongname.eth').toMatch(ensRegex);
+ expect('_foo.eth').toMatch(ensRegex);
+ expect('hello-world.eth').toMatch(ensRegex);
+ expect('_-special-chars-.eth').toMatch(ensRegex);
+ });
+
+ it('should not match any usernames names less than 3 characters', () => {
+ expect('fo.eth').not.toMatch(ensRegex);
+ expect('a.eth').not.toMatch(ensRegex);
+ expect('.eth').not.toMatch(ensRegex);
+ });
+
+ it('should not match any usernames with spaces', () => {
+ expect('foo bar.eth').not.toMatch(ensRegex);
+ expect('user1.eth user2.eth').not.toMatch(ensRegex);
+ expect('user1.eth and user2.eth').not.toMatch(ensRegex);
+ });
+
+ it('should not match any usernames with underscores not at the start', () => {
+ expect('foo_bar.eth').not.toMatch(ensRegex);
+ expect('user1_.eth').not.toMatch(ensRegex);
+ });
+
+ it('should not match any usernames without .eth', () => {
+ expect('foo').not.toMatch(ensRegex);
+ expect('ryan.eth2').not.toMatch(ensRegex);
+ });
+
+ it('should not match any usernames with special characters', () => {
+ expect('foo.eth!').not.toMatch(ensRegex);
+ expect('foo.eth#').not.toMatch(ensRegex);
+ expect('foo$.eth').not.toMatch(ensRegex);
+ });
+ });
});

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