Strip trailing whitespaces from string [Python]

February 21, 2017

If you want to remove extra whitespaces from start and end of a string, use strip() method in Python. strip() method removes all default whitespaces (spaces and tabs \t) and returns the copy of the string. Python code to strip trailing whitespaces from string

string = "  xyz is equal to xyz  " # string with whitespaces (spaces and tabs)
print "string with trailing whitespaces is \"" + string + "\"" # printing string with trailing whitespaces
string = string.strip() # strip trailing whitespaces
print "string after stripping trailing whitespaces is \"" + string + "\""  # printing the string after stripping trailing whitespaces

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string = " xyz is equal to xyz " # string with whitespaces (spaces and tabs)

print "string with trailing whitespaces is \"" + string + "\"" # printing string with trailing whitespaces

string = string.strip() # strip trailing whitespaces

print "string after stripping trailing whitespaces is \"" + string + "\"" # printing the string after stripping trailing whitespaces

Note: Code works in both Python 2 and 3 Output […]

Python: Position of next occurrence of a sub-string

February 21, 2017

Posted by SRINI S Python Tutorials

Python code to get the position of next or second occurrence of a sub-string within a string.

# Below code finds the position of second occurrence of "xyz"
string = "xyz is equal to xyz"
firstSubPos=string.find("xyz") # get the position of first substring "xyz"
secondSubPos=string.find("xyz", firstSubPos+1) # get the position of second occurence of substring "xyz"
print "position of second occurence of substring \"xyz\" is " + str(secondSubPos) # print the position

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# Below code finds the position of second occurrence of "xyz"

string = "xyz is equal to xyz"

firstSubPos=string.find("xyz") # get the position of first substring "xyz"

secondSubPos=string.find("xyz", firstSubPos+1) # get the position of second occurence of substring "xyz"

print "position of second occurence of substring \"xyz\" is " + str(secondSubPos) # print the position

Note: Above code works in both Python 2 and Python 3 Output:

Python: Replace/remove string between two delimiters/characters

February 20, 2017

Posted by SRINI S Python Tutorials

This Python code helps you to to replace a string between two delimiters or characters delete/remove string between two characters or delimiters Python code to replace string between two delimiters

# This macro replaces nivas in below string with silveri
string = "sri[nivas]"
firstDelPos=string.find("[") # get the position of [
secondDelPos=string.find("]") # get the position of ]
stringAfterReplace = string.replace(string[firstDelPos+1:secondDelPos], "silveri") # replace the string between two delimiters
print stringAfterReplace # print the string after sub string between dels is replaced

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# This macro replaces nivas in below string with silveri

string = "sri[nivas]"

firstDelPos=string.find("[") # get the position of [

secondDelPos=string.find("]") # get the position of ]

stringAfterReplace = string.replace(string[firstDelPos+1:secondDelPos], "silveri") # replace the string between two delimiters

print stringAfterReplace # print the string after sub string between dels is replaced

Python code to delete/remove string between two characters/delimiters Replace 5th line of above code with below one

stringAfterReplace = string.replace(string[firstDelPos+1:secondDelPos], "") # remove the string between two delimiters

1	stringAfterReplace = string.replace(string[firstDelPos+1:secondDelPos], "") # remove the string between two delimiters

Note: This code works in both […]

Python script to extract string between two delimiters

February 19, 2017

Posted by SRINI S Python Tutorials

Simple python script to extract sub string between two delimiters of a string. Examples of delimiters are brackets, parentheses, braces, single or double quotes etc. You can also customize this code to extract the string between two special characters or two sub strings. Comments on each line of code explains you to easily understand the code. Note: […]

Easy steps to install Python on Windows

August 15, 2016

Posted by SRINI S Python Tutorials

Below are the easy steps to install and setup python on Windows (I tried with Windows 10). click here to read Python2 or Python3? Download Python from https://www.python.org/downloads/ Install it on your C drive Search PowerShell from Start menu or Windows search box. Click on it to open. Type python in your PowerShell (Terminal) If you get […]

Simple steps to install openpyxl on Windows

August 13, 2016

Posted by SRINI S Python Tutorials

Openpyxl is a python library to perform read/write excel xlsx/xlsm/xltx/xltm files. Below are the simple steps to install openpyxl on Windows Click below link to download openpyxl package Download openpyxl package Extract the downloaded TAR file (recommended to extract it to python folder on C drive) Open command prompt or Powershell Navigate to the folder that […]

Category: Python Tutorials

Strip trailing whitespaces from string [Python]

Python: Position of next occurrence of a sub-string

Python: Replace/remove string between two delimiters/characters

Python script to extract string between two delimiters

Easy steps to install Python on Windows

Simple steps to install openpyxl on Windows

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Category: Python Tutorials

Strip trailing whitespaces from string [Python]

Python: Position of next occurrence of a sub-string

Python: Replace/remove string between two delimiters/characters

Python script to extract string between two delimiters

Easy steps to install Python on Windows

Simple steps to install openpyxl on Windows

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