search function for windows registry in powershell

registry-find

function Get-UninstallerFromRegistry {
    param( [System.String] $query )
    $paths=@(
    "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall", 
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
    )
    
    $paths=$paths| Where-Object {(Test-Path $_) }
    
    if ( $query -eq "" ) {
        $items=$paths | Get-ChildItem
    }
    else { 
        $items=$paths | Get-ChildItem  
        Where-Object { 
            (Get-ItemProperty $_).DisplayName -match $query 
        }
    }
    
    
    return $items
}