Test SQL connection strings

Test-SqlConnectionString.ps1

function Test-SqlConnectionString {
    <#
    .SYNOPSIS
    Tests establishing a connection to SQL instance usese provided ConnectionString
    
    .DESCRIPTION
    Long description
    
    .PARAMETER ConnectionString
    The ConnectionString attempting to make a connection
    
    .EXAMPLE
    Test-SqlConnectionString -ConnectionString 'Server=Localhost\SQLEXPRESS;Database=master;Trusted_Connction=true;'
    #>
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory)]
        [String]
        $ConnectionString
    )

    end {
        $connection = [System.Data.SqlClient.SqlConnection]::new()
        $connection.ConnectionString = $ConnectionString

        try {
            $null = $connection.Open()
            return $true
        }
        catch {
            return $false
        }
        finally {
            $connection.Dispose()
        }
    }
}