Variables
Const rFile
rFile: RegExp = new RegExp(`^(${quoted.source}|[^\\s,]+)`)
Const rFor
rFor: RegExp = new RegExp(`^\\s+for\\s+(${value.source})\\s+as\\s+(${identifier.source})`)
Const rWith
rWith: RegExp = new RegExp(`^\\s+with\\s+(${value.source})(?:\\s+as\\s+(${identifier.source}))?`)