[Home](./index.md) > [@contract-case/case-definition-dsl](./case-definition-dsl.md) > [matchers](./case-definition-dsl.matchers.md) > [strings](./case-definition-dsl.matchers.strings.md) > [StringContaining](./case-definition-dsl.matchers.strings.stringcontaining.md) ## matchers.strings.StringContaining class Matches any string that contains the given substring. **Signature:** ```typescript export declare class StringContaining extends AnyMatcherWithExample ``` **Extends:** AnyMatcherWithExample ## Constructors

Constructor	Modifiers	Description
[(constructor)(substring, example)](./case-definition-dsl.matchers.strings.stringcontaining._constructor_.md)		Matches any string that contains the given substring.

## Methods

Method	Modifiers	Description
[toJSON()](./case-definition-dsl.matchers.strings.stringcontaining.tojson.md)		For non-TypeScript implementations (see `AnyMatcher.toJSON`)