regex pattern matching python code example

Example 1: Using the Python string below to perform a search using a regular expression that you create. search_string=’’’This is a string to search for a regular expression like regular expression or regular-expression or regular:expression or regular&expression’’’

match1 = re.findall(pattern, search_string)
if match1 != None:
  print(pattern + 'matched')
else:
  print(pattern + 'did not match')

Example 2: regex in python

# pip install regex
import re
# simple find all
sample = "Nothing lasts... but nothing is lost"
found = re.findall("thing", sample)
print(found)

Example 3: regex in python

>>> import re
>>> p = re.compile('ab*')
>>> p
re.compile('ab*')