fix: don't parse @user.name as URLs

Currently, the period in a user name will make the parser assume it is a
URL. This commit adds a negative lookbehind to the regex parsing URLs to
avoid doing so, by assuming that `@\w+\.?\w*` matches user names.

Author: madsroskar

package/src/components/Message/MessageSimple/utils/parseLinks.test.ts

@@ -108,4 +108,10 @@ getstream.io
 
     expect(result).toHaveLength(0);
   });
+
+  it.each([['@user'], ['@user.name']])('does not parse %p as a URL', (input) => {
+    const result = parseLinksFromText(input);
+
+    expect(result).toHaveLength(0);
+  });
 });

package/src/components/Message/MessageSimple/utils/parseLinks.ts

@@ -9,7 +9,8 @@
 const emailUserName = '[\\w+\\.~$_-]+';
 const schema = `(\\w{2,15}:\\/\\/)`;
 // something.tld OR 123.123.123.123
-const domain = `((?:\\w+\\.[a-zA-Z]+)+(?:[^:\\/\\s]+)|(?:\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}))`;
+const userName = '^@\\w+\\.?\\w*';
+const domain = `((?:\\w+\\.[a-zA-Z]+(?<!${userName}))+(?:[^:\\/\\s]+)|(?:\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}))`;
 const port = `(:[0-9]{1,5})`;
 const path = `((?:\\/)?[^?\\s]+)`;
 const queryString = `(\\?[^#\\s]+)`;