Mastering Python Regular Expressions

Mastering Python Regular Expressions

AUTHOR: Felix Lopez; Victor Romero

PUBLISHER: Packt

PAGES: 110

ISBN-10: 1783283157; ISBN-13: 978-1783283156

Leverage regular expressions in Python even for the most complex features

About This Book
* Explore the workings of Regular Expressions in Python
* Learn all about optimizing regular expressions using RegexBuddy
* Full of practical and step-by-step examples, tips for performance, and solutions for performance-related problems faced by users all over the world

Who This Book Is For
This book is aimed at Python developers who want to learn how to leverage Regular Expressions in Python. Basic knowledge of Python is required for a better understanding.

What You Will Learn
* Explore the regular expressions syntax
* Improve the readability and future maintenance of the regex
* Find solutions for typical problems with regular expressions
* Familiarize yourself with match and search operations
* Leverage the look around technique to create powerful regular expressions
* Gain insight on the uses of Groups
* Get to know how the regex engine works through the Backtracking process
* Enhance the performance of your regular expressions

In Detail
Regular expressions are used by many text editors, utilities, and programming languages to search and manipulate text based on patterns. They are considered the Swiss army knife of text processing. Powerful search, replacement, extraction and validation of strings, repetitive and complex tasks are reduced to a simple pattern using regular expressions.

Mastering Python Regular Expressions will teach you about Regular Expressions, starting from the basics, irrespective of the language being used, and then it will show you how to use them in Python. You will learn the finer details of what Python supports and how to do it, and the differences between Python 2.x and Python 3.x.

The book starts with a general review of the theory behind the regular expressions to follow with an overview of the Python regex module implementation, and then moves on to advanced topics like grouping, looking around, and performance.

You will explore how to leverage Regular Expressions in Python, some advanced aspects of Regular Expressions and also how to measure and improve their performance. You will get a better understanding of the working of alternators and quantifiers. Also, you will comprehend the importance of grouping before finally moving on to performance optimization techniques like the RegexBuddy Tool and Backtracking.

Mastering Python Regular Expressions provides all the information essential for a better understanding of Regular Expressions in Python.

Disclaimer

Programming books display here are property of respective owners. All information about the book published in this website is in good faith and for general information purpose only.

Please support author by buying hardcopy to the nearest book store in your place or order books in publisher websites.

HRMS & Payroll Web Application

HRMS Employee Data Entry

HRMS Employee Data Entry is a process to capture employee’s information data and documents. Pinoy Web Application create basic data entry form how to gather employee's data in Personal Details, Job Information, Allowance and 201 Files that manageable and easy to access or retrieve information. read more »

Online Employee Payslip

Employee’s payslips are automatically available on every employee dashboard account after completing all task processing in payroll module requirement. Pinoy web application enables employees to access all pay period payslip remotely, anywhere in the world and download anytime as needed. read more »

Viewing of Attendance Biometric Timelog Time-In/Out

Retrieval of attendance logs from biometric finger scanner device is sometimes needed for evaluation or other reason for verification of employee In/Out history. Pinoy Web Application can generate attendance logs from the option provided in filtering data to retrieve from the database and have an option to download as excel file. read more »

Attendance Daily Time Record (DTR) Real Time Monitoring

HR Manager or Top management can monitor in a real time view of attendance Daily Time Record (DTR) using their mobile or personal computer with internet connection. Using SignalR web functionality when the employee used the device DTR Finger Scanner to record their time logs the DTR Real Time Monitoring server-side code push the content to the connected clients as it happens, in real-time... the web page content is automatically updated. read more »

How to process employee loans and automate in payroll deduction

Companies provide employee's loans for SSS and Pagibig member, Bank loan, Company salary loan or cash advance etc. Pinoy Web Application create a flexible loan data entry module that can connect to payroll process to deduct the total amount due for every pay period that set automatic to their salary, until they reach the total loan amount or zero balance. read more »