Example Redirector settings to redirect JA to EN on docs.github.com.

Redirector.json

{
    "createdBy": "Redirector v3.5.3",
    "createdAt": "2022-05-05T22:35:21.668Z",
    "redirects": [
        {
            "description": "GitHub Docs ja to en",
            "exampleUrl": "https://docs.github.com/ja/repositories/creating-and-managing-repositories/creating-a-template-repository",
            "exampleResult": "https://docs.github.com/en//repositories/creating-and-managing-repositories/creating-a-template-repository",
            "error": null,
            "includePattern": "https://docs.github.com/ja($|/.*)",
            "excludePattern": "",
            "patternDesc": "docs.github.com/ja to docs.github.com/en",
            "redirectUrl": "https://docs.github.com/en/$1",
            "patternType": "R",
            "processMatches": "noProcessing",
            "disabled": false,
            "grouped": false,
            "appliesTo": [
                "main_frame"
            ]
        }
    ]
}