What is the difference between re.match and re.search in Python3

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Difference between re.match and re.search.

re.match matches only the beginning of the string, if the beginning of the string does not match the regular expression, the match fails, the function returns None, and re.search matches the entire string until a match is found.

examples

#!/ usr/bin/python3

import re

line = "Cats are smarter than dogs"

matchObj = re.match( r'dogs', line, re.M|re.I)

if

matchObj:

print ("match --> matchObj.group() : ", matchObj.group())

else:

print ("No match!! ") matchObj = re.search( r'dogs', line, re.M|re.I)

if

matchObj:

print ("search --> matchObj.group() : ", matchObj.group())

else:

print ("No match!! ")

The results of the above examples are as follows:

No match!! search --> matchObj.group () : dogs Read here, this article "Python3 re.match and re.search is the difference between" article has been introduced, want to master the knowledge of this article also need to practice to understand, if you want to know more about the content of the article, welcome to pay attention to the industry information channel.