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-rw-r--r--src/mfm/parser.ts2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mfm/parser.ts b/src/mfm/parser.ts
index ae2ae72463..6980b36ea0 100644
--- a/src/mfm/parser.ts
+++ b/src/mfm/parser.ts
@@ -275,7 +275,7 @@ const mfm = P.createLanguage({
mention: r =>
P((input, i) => {
const text = input.substr(i);
- const match = text.match(/^@[a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9])?/i);
+ const match = text.match(/^@\w([\w-]*\w)?(?:@[\w\.\-]+\w)?/);
if (!match) return P.makeFailure(i, 'not a mention');
if (input[i - 1] != null && input[i - 1].match(/[a-z0-9]/i)) return P.makeFailure(i, 'not a mention');
return P.makeSuccess(i + match[0].length, match[0]);