python pattern matching code example

Example 1: python pattern matching example

import re
pattern = re.compile('[a-zA-Z ]+')		# a...z A...Z and space allowed
message = "Weather is nice"
if pattern.match(message).group() == message:
    print("match")
else:
    print("no match")

Example 2: searching for a pattern in text with re python

import re
xx = "guru99,education is fun"
r1 = re.findall(r"^\w+",xx)
print(r1)

Example 3: Python Regex documentation\

>>> import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'

Example 4: re python3

import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'

Example 5: re.sub in python example

import re

result = re.sub(pattern, repl, string, count=0, flags=0);

Example 6: * pattern by python

def pattern(n):    
  for i in range(0,n):       
    for j in range(0, i+1): 
      print("* " , end="")         
      print("\r") pattern(5