Function isForwardedEmail

apps/sim/lib/mothership/inbox/format.ts:91–95

* Detects whether an email is a forwarded message based on subject/body patterns.

(subject: string | null, body: string | null)

 * Detects whether an email is a forwarded message based on subject/body patterns.
 */
function isForwardedEmail(subject: string | null, body: string | null): boolean {
  if (subject && FORWARDED_PATTERNS.some((p) => p.test(subject))) return true
  if (body && FORWARDED_PATTERNS.some((p) => p.test(body.substring(0, 500)))) return true
  return false
}

/**
 * Repeatedly applies a regex replacement until the string stabilises.