Replacing Data in Specific Patterns with REGEX

REGEX Function is a powerful tool that allows you to match, extract, and manipulate text using regular expressions.

Today, we’re focusing on the REGEXREPLACE function—a versatile tool that lets you search and replace text based on patterns using regular expressions. If you’re already familiar with this function, feel free to skip today’s edition.

Without further ado, let’s jump in and explore how REGEXREPLACE can simplify your text manipulation tasks and make your work more efficient!

1. Open Excel and Navigate to the Next Cell

Build AI Apps Faster

Writer RAG tool: build production-ready RAG apps in minutes

RAG in just a few lines of code? We’ve launched a predefined RAG tool on our developer platform, making it easy to bring your data into a Knowledge Graph and interact with it with AI. With a single API call, writer LLMs will intelligently call the RAG tool to chat with your data.

Integrated into Writer’s full-stack platform, it eliminates the need for complex vendor RAG setups, making it quick to build scalable, highly accurate AI workflows just by passing a graph ID of your data as a parameter to your RAG tool.

Learn more about our production ready RAG tooling here.

2. Type REGEX Function.

=REGEXREPLACE(A3, "(\d{1,2})/(\d{1,2})/(\d{4})", "$3-$1-$2")

Insights That Smart Investors Trust

Savvy Investors Know Where to Get Their News—Do You?

Here’s the truth: Most financial media focuses on clicks, not clarity. The Daily Upside, created by Wall Street insiders, delivers valuable insights—free. Join 1M+ readers and subscribe today!

Join 1M+ readers and subscribe today!

3. Drag it down to AutoFill

We are done. The REGEX Function has been applied and all the Dates have been Replaced in a Specific Pattern.

That’s how you can use the REGEXREPLACE function in Excel to modify text effortlessly and clean up your datasets. Whether you're managing sales information, standardizing customer data, or organizing project details, this function ensures your data is accurate and easier to work with.

We Value Your Feedback

Was this featured story helpful? Rate it, and let us know how we can improve.

Ignore This Text

Important Legal Notice and Disclaimer:

This email and any attachments herein are confidential and intended solely for the designated recipient(s). Unauthorized access, disclosure, copying, or distribution of this communication is strictly prohibited and may constitute a violation of applicable laws, including but not limited to copyright infringement, data protection regulations, and intellectual property rights. If you are not the intended recipient, please notify the sender immediately and delete this email and its contents from all devices and servers.

Copyright and Intellectual Property Protection:
The content included in this communication, including but not limited to text, graphics, designs, tutorials, and any other material, is the exclusive property of [Your Company Name] and is protected under copyright law and international intellectual property treaties. Unauthorized reproduction, modification, distribution, or publication is strictly prohibited without explicit written permission from [Your Company Name]. Legal action may be taken against any individual or entity found in violation of these protections.

Cybersecurity Advisory:
Please be advised to use secure email practices and maintain up-to-date security software on your devices. This email has been scanned for viruses and malware; however, the sender cannot guarantee the complete security of email transmissions. You are responsible for verifying the authenticity of the sender and ensuring that this communication is free from malicious content before taking any action based on it. If you suspect this email to be a phishing attempt or have concerns about its integrity, please report it to your cybersecurity team or appropriate regulatory authorities immediately.

Legal Liability Disclaimer:
The sender assumes no responsibility for errors, omissions, or damages arising from reliance on the information contained within this communication. Any views or opinions expressed are those of the sender and do not necessarily reflect the views of [Your Company Name], unless explicitly stated. By continuing to engage with this communication, you agree to these terms and conditions.