+ /**
+ * Regex with non-capturing group that matches whitespace and some
+ * characters which are allowed right before an @ or ! when mentioning
+ * other users. Like: 'This goes out to:@mmn (@chimo too) (!awwyiss).'
+ *
+ * FIXME: Make this so you can have multiple whitespace but not multiple
+ * parenthesis or something. '(((@n_n@)))' might as well be a smiley.
+ */
+ const BEFORE_MENTIONS = '(?:^|[\s\.\,\:\;\[\(]+)';
+