PowerShell Input Validation with Field-Level Errors

function Test-InputRecord {
    param([Parameter(Mandatory)][hashtable]$Record)
    $errors = [ordered]@{}
    if ([string]::IsNullOrWhiteSpace($Record.email) -or $Record.email -notmatch '^[^@\s]+@[^@\s]+\.[^@\s]+$') {
        $errors.email = 'A valid email address is required.'
    }
    if ($Record.age -notmatch '^\d{1,3}$' -or [int]$Record.age -lt 18) {
        $errors.age = 'Age must be an integer of 18 or more.'
    }
    if ([string]$Record.name -and $Record.name.Length -gt 80) {
        $errors.name = 'Name must be 80 characters or fewer.'
    }
    [pscustomobject]@{ IsValid = $errors.Count -eq 0; Errors = $errors }
}