import cv2.cv as cv
import tesseract

image = cv.LoadImage("license-plate.jpg", cv.CV_LOAD_IMAGE_GRAYSCALE)
api = tesseract.TessBaseAPI()
api.Init(".","eng",tesseract.OEM_DEFAULT)
api.SetPageSegMode(tesseract.PSM_AUTO)
tesseract.SetCvImage(image,api)
text = api.GetUTF8Text()
conf = api.MeanTextConf()
image = None
sign_info = text.decode('utf-8').strip()
print sign_info

Y:84192

<9 mum www.nordvik.no nufiwu

YEi84192

<9 mum www.nordvik.no nufiwu

import re

sign_info = '''\
YEi84192

<9 mum www.nordvik.no nufiwu'''

pattern = re.findall(r"(?s)([A-Z]{2})\w(\d{5}).*(www.*)\s", sign_info)
car_number = '{} {}'.format(pattern[0][0], pattern[0][1])
car_shop = pattern[0][2]
print car_number #YE 84192
print car_shop #www.nordvik.no