import re
s = '19 Aug standing order rent Apolo Housing Assoc. 500.00 50.00\n20 Aug transfer from John wick saving a/c 200.00 130.90'
w = 'rent'
rx = fr'\b{w}\D+(\d+(?:[,.]\d+)*)'
m = re.search(rx, s)
if m:
	print(f'{w} {m.group(1)}')