Private/Get-MaskedString.ps1
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using namespace System.Text.RegularExpressions using namespace System.Collections.Generic function Get-MaskedString { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory, Position = 0, ValueFromPipeline)] [AllowEmptyString()] [string]$InputString, [Parameter()] [int]$MaxLength = 32768, [Parameter()] [List[Tuple[regex, string]]]$MaskPatterns = @() ) begin { #Regex options $RegexOptions = [RegexOptions]::IgnoreCase -bor ` [RegexOptions]::Multiline -bor ` [RegexOptions]::CultureInvariant $RegexMatchTimeout = [TimeSpan]::FromSeconds(3) } process { if ([string]::IsNullOrWhiteSpace($InputString)) { return $InputString } foreach ($pattern in $MaskPatterns) { try { $InputString = [regex]::Replace($InputString, $pattern.Item1, $pattern.Item2, $RegexOptions, $RegexMatchTimeout) } catch { $InputString = '...<some error occurred during processing>...' } } if ($InputString.Length -gt $MaxLength) { $InputString = $InputString.Substring(0, $MaxLength) + ' ...<truncated>' } $InputString } end {} } |