rx = /\G[^[:space:]\p{L}][^[:space:]]*[[:space:]]*/
puts "1000 22 cc33 dfdsf".gsub(rx, '')
puts "7nnn 2000 388 a 4000 bbb".gsub(rx, '')
cnggPSAvXEdbXls6c3BhY2U6XVxwe0x9XVteWzpzcGFjZTpdXSpbWzpzcGFjZTpdXSovCnB1dHMgIjEwMDAgIDIyICBjYzMzIGRmZHNmIi5nc3ViKHJ4LCAnJykKcHV0cyAiN25ubiAyMDAwICAgMzg4ICAgYSAgNDAwMCBiYmIiLmdzdWIocngsICcnKQ==