@loopback/docs/site/apidocs/rest.regexprouter.md

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---
lang: en
title: 'API docs: rest.regexprouter'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/rest
permalink: /doc/en/lb4/apidocs.rest.regexprouter.html
---

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[Home](./index.md) &gt; [@loopback/rest](./rest.md) &gt; [RegExpRouter](./rest.regexprouter.md)

## RegExpRouter class

Router implementation based on regexp matching

**Signature:**

```typescript
export declare class RegExpRouter extends BaseRouter 
```
**Extends:** BaseRouter

## Constructors

|  Constructor | Modifiers | Description |
|  --- | --- | --- |
|  [(constructor)(options)](./rest.regexprouter._constructor_.md) |  | Constructs a new instance of the <code>RegExpRouter</code> class |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [addRouteWithPathVars(route)](./rest.regexprouter.addroutewithpathvars.md) | <code>protected</code> |  |
|  [findRouteWithPathVars(verb, path)](./rest.regexprouter.findroutewithpathvars.md) | <code>protected</code> |  |
|  [listRoutesWithPathVars()](./rest.regexprouter.listrouteswithpathvars.md) | <code>protected</code> |  |