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  1. pynative.com › python-regex-replace-re-subPython Regex Replace and Replace All – re.sub() - PYnative

    19 lip 2021 · Regex example to replace all whitespace with an underscore. Now, let’s see how to use re.sub() with the help of a simple example. Here, we will perform two replacement operations. Replace all the whitespace with a hyphen; Remove all whitespaces; Let’s see the first scenario first. Pattern to replace: \s

  2. pythonexamples.org › python-re-subPython re.sub() – Replace using Regular Expression - Python...

    re.sub () function replaces one or many matches with a string in the given text. The search and replacement happens from left to right. In this tutorial, we will learn how to use re.sub () function with the help of example programs.

  3. stackoverflow.com › questions › 2763750How to replace only part of the match with python re.sub

    Just put the expression for the extension into a group, capture it and reference the match in the replacement: re.sub(r'(?:_a)?(\.[^\.]*)$' , r'_suff\1',"long.file.name.jpg") Additionally, using the non-capturing group (?:…) will prevent re to store to much unneeded information.

  4. www.geeksforgeeks.org › python-regex-replace-captured-groupsPython Regex: Replace Captured Groups - GeeksforGeeks

    3 wrz 2024 · The re.sub () function is used to replace occurrences of a regex pattern in a string with a specified replacement. When using groups, we can reference these groups in the replacement string using backreferences like `\1`, `\2`, etc., corresponding to the first, second, and subsequent groups. Syntax of `re.sub ()`.

  5. note.nkmk.me › en › python-re-match-search-findall-etcRegular expressions with the re module in Python | note.nkmk.me -...

    9 maj 2023 · In Python, the re module allows you to work with regular expressions (regex) to extract, replace, and split strings based on specific patterns. This article first explains the functions and methods of the re module, then explains the metacharacters (special characters) and special sequences available in the re module.

  6. docs.python.org › 3 › howtoRegular Expression HOWTO — Python 3.13.0 documentation

    1 dzień temu · One example might be replacing a single fixed string with another one; for example, you might replace word with deed. re.sub() seems like the function to use for this, but consider the replace() method.

  7. www.datacamp.com › tutorial › python-regular-expression-tutorialPython Regular Expression Tutorial with RE Library Examples

    10 cze 2020 · This tutorial will walk you through the important concepts of regular expressions with Python. You will start with importing re - Python library that supports regular expressions. Then you will see how basic/ordinary characters are used for performing matches, followed by wild or special characters.

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