import re
DE_miRNAs = ['31-5p', '150-3p']
DE_miRNAs_rx = [re.compile(fr'\b{x}\b') for x in DE_miRNAs]
lines = []
with open('tmp', 'r') as f:
lines = [l.rstrip() for l in f.readlines()]
results = []
for rx in DE_miRNAs_rx:
for line in lines:
if rx.search(line):
results.append(line)
print(results)
aW1wb3J0IHJlCgpERV9taVJOQXMgPSBbJzMxLTVwJywgJzE1MC0zcCddCkRFX21pUk5Bc19yeCA9IFtyZS5jb21waWxlKGZyJ1xie3h9XGInKSBmb3IgeCBpbiBERV9taVJOQXNdCgpsaW5lcyA9IFtdCndpdGggb3BlbigndG1wJywgJ3InKSBhcyBmOgogICAgbGluZXMgPSBbbC5yc3RyaXAoKSBmb3IgbCBpbiBmLnJlYWRsaW5lcygpXQoKcmVzdWx0cyA9IFtdCmZvciByeCBpbiBERV9taVJOQXNfcng6CiAgICBmb3IgbGluZSBpbiBsaW5lczoKICAgICAgICBpZiByeC5zZWFyY2gobGluZSk6CiAgICAgICAgICAgIHJlc3VsdHMuYXBwZW5kKGxpbmUpCgpwcmludChyZXN1bHRzKQ==