Parse-QuserTime-Alternate.ps1

param(
    [CmdletBinding()] 

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

)

$string = $quserTimeString

[int]$mins = if($string.Contains(':')){$string.split(":")[1]}else{$string}

[int]$index = $string.IndexOf('+')
[int]$hours = if($string.Contains(':')){$string.split(":")[0].Substring($index+1)}

[int]$days = if($string.Contains('+')){ $string.split("+")[0]}

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