Chapter 18 - Python Regular Expression Part 1

 

Step 1

 

Open any text editor (gedit,pico,vi,nano) then enter the following python script and save the file with .py extension.

 

#!/usr/bin/python

#Author : Jijo K Jose

 

print "\n------------------------------------\nChapter 18 - Regular Expression 1 \n------------------------------------\n"

 

import re

match_str = raw_input("Enter a text : ")

search_str = raw_input("Enter search string : ")

 

reg1 = re.compile(search_str,re.IGNORECASE)

 

print "Address Location : ",reg1.match(match_str)

 

print "\n-----------------------------------\n"

 

match = reg1.match(match_str)

 

if match:

 print "Match - Found : ",match.group()

else:

 print "No match found !!! "

 

print "\n-----------------------------------\n"

 

search = reg1.search(match_str)

 

if search:

 print "Search Found : ",search.group()

else:

 print "No searched result !!!"

 

print "\n-----------------------------------\n"

 

#END

 

Step 2

 

Change file permission to executable using chmod command.

 

Step 3

 

Execute the python file.

 

 

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