Article
Regular expressions are on of the most powerful tools in a developer's toolkit. But let's be honest, regex kind of sucks to write. Not only is it hard to write, but it's also hard to read and debug too. So how can we make it easier to use? In its...
Scott Robinson
Byte
Let's say you have a list of home addresses and want to see which ones reside on a "Street", "Ave", "Lane", etc. Given the variability of physical addresses, you'd probably want to use a regular expression to do the matching. But how do you...
Whether you realize it or not, data has become a crucial part of our day-to-day lives. From ordering food online to searching for cat food, we are constantly sending and receiving data. As developers of web applications, it is our responsibility to ensure that user inputs are in the specified...
Subha Chanda
Handling user-submitted phone numbers can be a challenging task for developers, especially considering the various formats and notations used around the world. Ensuring that these phone numbers are valid and properly formatted is crucial for any application that relies on accurate contact information. That's where Python and its powerful regular...
Dimitrije Stamenic
In Python, strings are sequences of characters, which are effectively stored in memory as an object. Each object can be identified using the id() method, as you can see below. Python tries to re-use objects in memory that have the same value, which also makes comparing objects very fast in...
Frank Hofmann
Whether you are creating a registration form for your website or you just need to delete all invalid email addresses from your mailing list, you can't help but perform the process of email validation. You need to validate if an email address is real by checking whether it meets the...
A substring is a continuous sequence of characters within a String. For instance, "substring" is a substring of "Find a substring within a string". Strings in Python are arrays of bytes representing Unicode characters and one of the most commonly used data types to represent data...
Darko Mladenovski
Regular Expressions, or RegEx for short, are expressions of patterns that can be used for text search and replace actions, validations, string splitting, and much more. These patterns consist of characters, digits and special characters, in such a form that the pattern matches certain segments of text we're searching through....
Anđela Niketić
For web developers, validating user inputs in various types of forms is of crucial importance. Since that is the starting point of data being sent between the client and the server, you need to make sure that everything starts off on the right foot - lest you end up with...
Lazar Ristic
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