例如:
import re
pattern = r"spam"
if re.match(pattern, "eggspamsausagespam"):
print("Match")
else:
print("No match")
if re.search(pattern, "eggspamsausagespam"):
print("Match")
else:
print("No match")
print(re.findall(pattern, "eggspamsausagespam"))
结果:
>>> No match Match ['spam', 'spam'] >>>