internal/Remove-InvalidFileNameCharacters.ps1
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<# .SYNOPSIS Remove invalid filename characters from string. .DESCRIPTION .EXAMPLE PS C:\>Remove-InvalidFileNameCharacters 'à/1\b?2|ć*3<đ>4 ē' Remove invalid filename characters from string. .EXAMPLE PS C:\>Remove-InvalidFileNameCharacters 'à/1\b?2|ć*3<đ>4 ē' -RemoveDiacritics Remove invalid filename characters and diacritics from string. .INPUTS System.String .LINK https://github.com/jasoth/Utility.PS #> function Remove-InvalidFileNameCharacters { [CmdletBinding()] param ( # String value to transform. [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [AllowEmptyString()] [string[]] $InputStrings, # Character used as replacement for invalid characters. Use '' to simply remove. [Parameter(Mandatory = $false)] [string] $ReplacementCharacter = '-', # Replace characters with diacritics to their non-diacritic equivilent. [Parameter(Mandatory = $false)] [switch] $RemoveDiacritics ) process { foreach ($InputString in $InputStrings) { [string] $OutputString = $InputString if ($RemoveDiacritics) { $OutputString = Remove-Diacritics $OutputString -CompatibilityDecomposition } $OutputString = [regex]::Replace($OutputString, ('[{0}]' -f [regex]::Escape([System.IO.Path]::GetInvalidFileNameChars() -join '')), $ReplacementCharacter) Write-Output $OutputString } } } |