param(
    [CmdletBinding()]

    [ValidatePattern('^(((?<days>[0-9]+)\+)?((?<hours>[0-9]{1,2}):))?(?<mins>[0-9]{1,2})$')]
    [string]$quserTimeString

)

$quserTimeString -match '^(((?<days>[0-9]+)\+)?((?<hours>[0-9]{1,2}):))?(?<mins>[0-9]{1,2})$' | Out-Null

[Timespan]::new($Matches.days, $Matches.hours, $Matches.mins, 0)