import re
regex = r"(\d[. \d\t]*)(?:pkg\b|k\b|lac\.|lakh\.|crore\.|cr\.|l\b)|\b(?:rent|rs)\.\s*(\d[. \d\t]*)"
test_str = "long upstairs & blocks of bungalows. title: deed of conveyance price: 600m asking contact now \n exclusive list of 3bhk's price 7 crores on sale at bandra / khar naman residency @ bkc 1867 sqft carpet approx. rs. 13 crs rustomjee oriana @ bandra east 1516 sqft with 15 lakh carpet approx. rs. 8.75 cr corner view @ 15th road, bandra 3.5bhk 1265 sqft carpet approx. rs. 8.5 cr neera @ 15th road, bandra 1266 sqft carpet approx. rs. 6.25 cr bldg at pali hill, bandra 1550+ 660 sqft , rent 78k wrap around "
print(["{}{}".format(x,y).strip() for x, y in re.findall(regex, test_str)])

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