#!/usr/bin/env python
import re
result = re.search(r"aza","plaza")      # r indicate Rawstring
print(result)
result = re.search(r"aza","bazaar")      # r indicate Rawstring
print(result)
result = re.search(r"aza","maze")      # r indicate Rawstring
print(result)

print(re.search(r"^x","xenon"))
print(re.search(r"p.ng","penguin"))
print(re.search(r"p.ng","clapping"))
print(re.search(r"p.ng","sponge"))
print(re.search(r"p.ng","Pangaea"))
print(re.search(r"p.ng","Pangaea",re.IGNORECASE))
21d0bc68792c3e0cf81187e85eead3d9b97d3bd4
<mask token>

<mask token>
print(result)
<mask token>
print(result)
<mask token>
print(result)
print(re.search('^x', 'xenon'))
print(re.search('p.ng', 'penguin'))
print(re.search('p.ng', 'clapping'))
print(re.search('p.ng', 'sponge'))
print(re.search('p.ng', 'Pangaea'))
print(re.search('p.ng', 'Pangaea', re.IGNORECASE))

<mask token>
result = re.search('aza', 'plaza')
print(result)
result = re.search('aza', 'bazaar')
print(result)
result = re.search('aza', 'maze')
print(result)
print(re.search('^x', 'xenon'))
print(re.search('p.ng', 'penguin'))
print(re.search('p.ng', 'clapping'))
print(re.search('p.ng', 'sponge'))
print(re.search('p.ng', 'Pangaea'))
print(re.search('p.ng', 'Pangaea', re.IGNORECASE))

import re
result = re.search('aza', 'plaza')
print(result)
result = re.search('aza', 'bazaar')
print(result)
result = re.search('aza', 'maze')
print(result)
print(re.search('^x', 'xenon'))
print(re.search('p.ng', 'penguin'))
print(re.search('p.ng', 'clapping'))
print(re.search('p.ng', 'sponge'))
print(re.search('p.ng', 'Pangaea'))
print(re.search('p.ng', 'Pangaea', re.IGNORECASE))

#!/usr/bin/env python
import re
result = re.search(r"aza","plaza")      # r indicate Rawstring
print(result)
result = re.search(r"aza","bazaar")      # r indicate Rawstring
print(result)
result = re.search(r"aza","maze")      # r indicate Rawstring
print(result)

print(re.search(r"^x","xenon"))
print(re.search(r"p.ng","penguin"))
print(re.search(r"p.ng","clapping"))
print(re.search(r"p.ng","sponge"))
print(re.search(r"p.ng","Pangaea"))
print(re.search(r"p.ng","Pangaea",re.IGNORECASE))