regex substitution python code example

Example 1: python regex substitute

import re
s = "Example String"
replaced = re.sub('[ES]', 'a', s)
print replaced

Example 2: re.match() python

import re

pattern = '^a...s$'
test_string = 'abyss'
result = re.match(pattern, test_string)

if result:
  print("Search successful.")
else:
  print("Search unsuccessful.")

Example 3: re.sub in python example

import re

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

Example 4: re sub python

# From Grepper Docs
>>> re.sub('-{1,2}', dashrepl, 'pro----gram-files')
'pro--gram files'
>>> re.sub(r'\sAND\s', ' & ', 'Baked Beans And Spam', flags=re.IGNORECASE)
'Baked Beans & Spam'