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constant JsonApiSpec::MEMBER_NAME_REGEXP in Drupal 9

Regular expression to check the validity of a member name.

File

core/modules/jsonapi/src/JsonApiSpec.php, line 59

Class

JsonApiSpec
Defines constants used for compliance with the JSON:API specification.

Namespace

Drupal\jsonapi

Code

const MEMBER_NAME_REGEXP = '/^' . self::MEMBER_NAME_GLOBALLY_ALLOWED_CHARACTER_CLASS . '{1}(' . self::MEMBER_NAME_INNER_ALLOWED_CHARACTERS . '*' . self::MEMBER_NAME_GLOBALLY_ALLOWED_CHARACTER_CLASS . '{1}' . ')?$/u';