var sl_cung_a_pattern = @"^ca=(\d+)$";
var sl_cung_r_pattern = @"^cr=(\d+)$";
var sl_ngua_c_pattern = @"^nc=(\d+)$";
var sl_lac_da_pattern = @"^ld=(\d+)$";
var sl_song_ma_pattern = @"^sm=(\d+)$";
var sl_cung_c_pattern = @"^cc=(\d+)$";
var sl_voi_pattern = @"^v=(\d+)$";
var sl_xoc_xien_pattern = @"^xx=(\d+)$";
alt+s to set value