Public/Test-Password.ps1
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function Test-Password { [CmdletBinding()] Param ( [string]$Password=(Get-Password), [int]$Length=12 ) # At least 1 uppercase (?=.*[A-Z]) # At least 1 non-alphanumeric (?=.*[^a-zA-Z0-9]) # At least 1 number (?=.*[0-9]) # At least 1 lowercase (?=.*[a-z]) # At least 10 chars long {10,} # ?= is lookahead, ^ beginning of str, $ end of str $RegEx = "^(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?=.*[0-9])(?=.*[a-z]).{$Length,}$" if ($Password -cmatch $Regex) { Write-Verbose "Password is strong enough." Write-Output $Password } else { Write-Verbose "$Password too weak. Trying again..." Test-Password } } |