generating-regular-expressions-for-custom-patterns-with-copilot-secret-scanning.md

title	Generating regular expressions for custom patterns with Copilot secret scanning
shortTitle	Regular expression generator
intro	You can use {% data variables.secret-scanning.copilot-secret-scanning %}'s {% data variables.secret-scanning.custom-pattern-regular-expression-generator %} to write regular expressions for custom patterns. The generator uses an AI model to generate expressions that match your input, and optionally example strings.
permissions	{% data reusables.permissions.security-repo-enable %}
allowTitleToDifferFromFilename	true
versions	feature secret-scanning-custom-pattern-ai-generated
contentType	how-tos
topics	Secret Protection Secret scanning AI Copilot
redirect_from	/code-security/secret-scanning/generating-regular-expressions-for-custom-patterns-with-ai /code-security/secret-scanning/using-advanced-secret-scanning-and-push-protection-features/custom-patterns/generating-regular-expressions-for-custom-patterns-with-ai /code-security/secret-scanning/copilot-secret-scanning/generating-regular-expressions-for-custom-patterns-with-ai /code-security/secret-scanning/copilot-secret-scanning/generating-regular-expressions-for-custom-patterns-with-copilot-secret-scanning

Generating a regular expression for a repository with {% data variables.secret-scanning.copilot-secret-scanning %}

{% data reusables.secret-scanning.copilot-secret-scanning-expression-generator-subscription-note %}

{% data reusables.repositories.navigate-to-repo %} {% data reusables.repositories.sidebar-settings %} {% data reusables.repositories.navigate-to-code-security-and-analysis %}

1. Under "{% data variables.product.prodname_secret_protection %}", under "Custom patterns", click New pattern. {% data reusables.advanced-security.secret-scanning-generate-regular-expression-custom-pattern %}
2. When you're ready to test your new custom pattern, to identify matches in the repository without creating alerts, click Save and dry run. {% data reusables.advanced-security.secret-scanning-dry-run-results %} {% data reusables.advanced-security.secret-scanning-create-custom-pattern %}

{% data reusables.secret-scanning.link-to-push-protection %}

Generating a regular expression for an organization with {% data variables.secret-scanning.copilot-secret-scanning %}

{% data reusables.profile.access_org %} {% data reusables.profile.org_settings %} {% data reusables.security-configurations.display-global-settings %} {% data reusables.advanced-security.secret-scanning-new-custom-pattern-org %} {% data reusables.advanced-security.secret-scanning-generate-regular-expression-custom-pattern %}

1. When you're ready to test your new custom pattern, to identify matches in selected repositories without creating alerts, click Save and dry run. {% data reusables.advanced-security.secret-scanning-dry-run-select-repos %} {% data reusables.advanced-security.secret-scanning-dry-run-results %} {% data reusables.advanced-security.secret-scanning-create-custom-pattern %}

{% data reusables.secret-scanning.link-to-push-protection %}

Further reading

• AUTOTITLE