[ns] Sed command or not

[Güzin Ulutaş]

/^s *- Nl AGT.*-Is (\d{1,3})\.\d{1,3} -Id (\d{1,3})\.\d{1,3}.*-It 
cbr.*-Ii (\d{1,6})/

Hi all,  is there anybody know what  it does? Is it a sed command ?