Test-Url.ps1
|
function Test-Url { param ( [Parameter(Mandatory,ValueFromPipeline)] [string] $Url, [string] $Message = 'No valid url' ) begin { $urlRegex = '^https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\.[a-zA-Z0-9]+\.[^\s]{2,}$' } process { if ($Url -notmatch $urlregex) { throw $Message } return $Url } } |