YAML does not have built-in support for regular expressions. But you can still include regex patterns as part of a YAML file's contents, access those patterns, and create a regex out of them. You can do this, for example, with the JavaScript RegExp constructor. So, in YAML, regular expressions are

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YAML is a human and machine-readable data serialization file format. It is often used as configuration files, for data exchange, and for representing structured data in DevOps engineering. You can represent specific values in a YamL file as regular expressions. The next thing you'll learn is to read the file with the module of Node.

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