# Contains Returns True if the input string contains the specified substring (case-sensitive). Treats special characters such as `.`, `/`, `@`, `-`, and `spaces` as word boundaries. ## Input type String ## Output type Boolean ## Usage information | Functionality | Availability | | --- | --- | | [Standard Quiver card](../core-concepts/index.md#cards) | Supported | | [Transform table transform](../cards-transform-table/index.md) | Supported |