Function isPotentialUserIdentifier

admin_board/admin_board.ts:1082–1085

(text: string)

  if (parts.length === 0) return null;
  if (parts.some((part) => !isPotentialUserIdentifier(part))) return null;

  const deduped = new Map<string, string>();
  for (const part of parts) {
    const key = /^-?\d+$/.test(part)
      ? String(Number(part))
      : part.replace(/^@/, "").toLowerCase();