AI engineering glossary · Prompt context engineering

What is delimiters?

Delimiters: Marker characters or strings such as triple quotes, dashes or tags that separate parts of a prompt, for example the instructions from the text to be processed. They make boundaries clear to the model and lower the risk of mixing instructions with data.

Level: beginnerTopic: Prompt context engineering

Delimiters: an example

Summarise the text between ### markers: ### {email_body} ### so the model does not follow commands hidden in the email.

Related terms

More Prompt context engineering terms

Where you learn it

Delimiters is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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