p =re.compile(r'^\d+\.\d+ *[\r\n]+(\d{4})\b',re.MULTILINE)
s ="BEAVER COUNTY 001 0000 \n1010 BEAVER \n2010 BEAVER COUNTY SCH DIST \n0.008504 \n...(more decimals)\n0.008508 \n4010 COUNTY SPECIAL SERVICE DIST NO.1 <---capture this 4010\n4040 BEAVER COUNTY \n8005 GREENVILLE SOLAR\n0.004258 \n0.008348 \n...(more decimals)\n0.008238 \n4060 SPECIAL SERVICE DISTRICT NO 7 <---capture this 4060"