There supposedly is a tv show or movie in production based on The Laundry universe. Stross does not share much details since NDA afaiu.
For people unaware it is a Delta Green meets It Crowd meets X-Files. At some point an iPhone with an occult software suite lands in the hands of the protagonist.
Magic is applied math in that universe.
If they know Regex, assume you are in Sarumans tower and held captive until a hawk comes in.