// '\\\/':
                // 'abc/*' does not match 'abc/'
                ? `${p1}[^/]+`

                // 'a*' matches 'a'
                // 'a*' matches 'aa'
                : '[^/]*'

            return `${prefix}(?=$|\\/$)`
        }
    ],
]

// A simple cache, because an ignore rule only has only one certain meaning