checkSemVer.ps1

$VersionNumbers = @()
$VersionNumbers = "1.0.0", "1.0.0.0", "1.0.t", "1.0.0.t", "1.0.0.0.t" ,"1.0.0.5", "1.0.0.4567", "t.0.0.345", "1.rt.0.345"
$alphaRegex = "^(\d+\.)?(\d+\.)?(\*|\d+)$"
$ErrorActionPreference = "SilentlyContinue"
foreach ($semver in $VersionNumbers) {
    Write-Host $semver -ForegroundColor Green
    if (($semver -match $alphaRegex) -eq $false) {
        $betaRegex = "^(\d+\.)?(\d+\.)?(\d+\.)?(\*|\d+)$"    
        if (($semver -match $betaRegex) -eq $false) {
            Write-Error "New ModuleVersion Number not in correct format; Expected ##.##.##(.##) , actual $semver"
            Write-Host $semver -ForegroundColor Black -BackgroundColor Red
        }
    }
}