Functions to convert text into Pascal or Snake case

Powershell toPascal-toSnakeCase.ps1

    function toPascalCase([string] $text) {
        return $text -replace '(?:^|_)(\p{L})', { $_.Groups[1].Value.ToUpper() }
    }
   
    function toSnakeCase([string] $text) {
        $text = $text -replace '\s+', '_'                            # Replace spaces with underscores
        $text = $text -replace '[-\.]', '_'                          # Replace dashes and dots with underscores
        $text = $text -creplace '(?<![-_A-Z])(?<!^)[A-Z]', { "_$_" } # Insert underscores before uppercase letters
        return $text.ToLower()
    }