RegexHelper (Graylog 4.1.1 API)

```
public class RegexHelper
extends Object
```
Utility class to help creating an appropriate regex to be used in a whitelist entry.

Constructors
Constructor and Description
`RegexHelper()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`String`	`createRegexForUrl(String url)` Quotes the url and adds a `^` and `$`.
`String`	`createRegexForUrlTemplate(String url, String placeholder)` Replaces all placeholders in a "url template" with `.*?`, quotes everything else and adds `^` and `$` to it.

public String createRegexForUrlTemplate(String url,
                                        String placeholder)

Replaces all placeholders in a "url template" with .*?, quotes everything else and adds ^ and $ to it.

An example:

https://example.com/api/lookup?key=${key}

will become

^\Qhttps://example.com/api/lookup?key=\E.*?$

public String createRegexForUrl(String url)

Quotes the url and adds a ^ and $.

Class RegexHelper