Python regex extract substring | Example code

Using a “re” module findall() function with regex can extract a substring from a given string in Python. Example extract pattern matches using RegEx in Python Simple example code, you need to import Python’s re module. Call re.findall(r”pattern (.*)”, string) with pattern as the exact sequence to match within string. Output: Another example Using the Read More…


Python RegEx find and replace | Example code

Use re.sub() method of the re module to replace the string that matches the RegEx (regular expression) in Python. A Regular Expression (RE) is a special text string used for describing a search pattern. Python regex find and replace Example Simple example code. You have to import the re module, and then we can use Read More…


Python substring regex | Example code

You can create a substring regex pattern to find matches in a given string. You need to capture from regex. Search for the pattern, if found, retrieve the string using group(index). Python regex Substring match example Use \b matches start or end of a word. Only one match re.search() returns None or a class type Read More…


Python Regex (Regular Expression or RE) | Operations

Regular expressions  (REs, or regexes, or regex patterns) are used to identify whether a pattern exists in a given sequence of strings or not. For example validation of Email, phone number, and passwords, etc. Python Regex is basic a tiny, highly specialized programming language embedded inside Python, which is available through the re module. The regular expressions are extremely Read More…