Regular expressions are extremely useful in extracting information from any text by searching for one or more matches of a specific search pattern or sequence of characters. For instance, regular expressions can be defined by extracting variants of a particular malicious domain that we would like to blacklist or block.
To create a regular expression,
- Select Threat Mitigation
- Click Regular Expressions
- Enter the regular expression definition, a brief description of the expression, a sample pass test value, and a sample fail test value.
- Click Add
To remove a regular expression, click the Delete icon near it under the Actions column.