TXT text files are one of the most basic and commonly used formats. Whether for system files, data storage, or note-taking, we often need to update the content of many TXT files. When it comes to uniformly updating product names or modifying contact information, manually opening each text file to find and replace is one of the least efficient methods. It is also very easy to miss entries and make mistakes, especially when dealing with hundreds or even thousands of files. This kind of repetitive labor often stops most people in their tracks. So, how can we batch update and replace text and numbers in these files in the shortest time?
Here, I'll explain several ways to make batch replacement easy, from built-in system features to handy little tools, so that working with TXT text becomes a breeze. Let's give it a try together!
When do you need to batch replace keywords in a TXT file with another keyword?
File content needs updating
When keywords in a TXT text file are no longer suitable for continued use, the old keywords need to be batch replaced with new text. For example, if the original identifiers, numbers, or names have changed, continuing to use the old keywords will lead to inaccurate content. Through batch replacement, you can replace all old keywords in a TXT file at once, eliminating the need to search line by line, which is much more efficient.
Facilitating system recognition
When a system imports a TXT file, it recognizes data based on keywords. If the keywords are still old, the system cannot find the corresponding fields, potentially leading to recognition failure or content misalignment. Therefore, when updating key fields, you must replace some keywords in the TXT with new content, allowing the system to understand correctly and work smoothly without getting stuck or reporting errors.
Reducing manual risk
If batch replacement is not possible, you have to manually modify text file by text file. Not only is this a waste of time, but issues like missed changes, incorrect changes, and format damage will plague you. When the frequency of keyword occurrences is high, manual modification is difficult to make perfectly accurate. Batch replacement ensures all files use a single set of new keywords, significantly reducing human errors and improving overall quality.
Preview of the effect of replacing multiple keywords in TXT text files
Before processing:
After processing:
Method 1: Use HeSoft Doc Batch Tool to batch replace keywords in Notepad
Recommendation index: ★★★★★
Advantages:
- Can batch replace multiple keywords in a large number of TXT files at once, and the operation is not complicated. The interface is easy to understand without clutter, and you can finish processing in just a few minutes.
- All files are processed locally, without uploading files to the server, respecting user privacy and security.
Disadvantages:
- Requires software installation on the computer to operate.
Operating steps:
1. Open [ HeSoft Doc Batch Tool ], select [Text Tools] - [Find and Replace Keywords in Text].
2. In [Add Files] or [Import Files from Folder], choose one method to add the TXT files to be replaced. You can also drag files into the area below to import. After confirming the added files are correct, click Next.
3. Enter the settings options page, select [Exact Text Search] in the search method. Input the old keyword in the list below Find Keywords, and input the new keyword in the list below Replace Keywords, then click Next. Then click Browse, and select the save location for the new files.
4. After the process is finished, click the red path to open the folder, then open the text file to view the successfully replaced keywords.
Method 2: Use Notepad++ to batch replace keywords in text
Recommendation index: ★★★☆☆
Advantages:
- Completely free to use, and powerful in functionality.
- Supports regular expressions, allows previewing replacement results, and processes quickly.
Disadvantages:
- Requires software installation on the computer to operate.
- Processing large files can be slow, and batch operation requires manual file selection.
Operating steps:
1. Open the text file with Notepad++, then press Ctrl + H to open the Replace window.
2. In 'Find what' and 'Replace with', input the keyword to be replaced and the new content respectively, and finally click Replace All.
3. Then, repeat the above operation to perform multiple replacements.
Method 3: Use the Windows PowerShell feature to replace text and numbers in TXT files
Recommendation index: ★★★☆☆
Advantages:
- No software installation required; it's a built-in Windows feature.
- Processing speed is very fast, capable of complex replacement logic.
Disadvantages:
- Requires basic command-line knowledge.
- The interface is not intuitive to operate, and caution is needed regarding potential errors.
Operating steps:
1. Shift + Right-click the folder containing the text files with keywords to replace, and select Windows PowerShell.
2. Copy the script below, modify the folder path and keywords, then paste it into PowerShell and press Enter to execute.
# Batch replace all TXT files within a single folder
$oldText = "Old keyword"
$newText = "New keyword"
$folderPath = "C:\YourFolder"
Get-ChildItem -Path $folderPath -Filter "*.txt" | ForEach-Object {
$content = Get-Content $_.FullName -Raw
$newContent = $content -replace $oldText, $newText
Set-Content -Path $_.FullName -Value $newContent
Write-Host "Processed: $($_.Name)"
}
Write-Host "Batch replacement completed! "
3. Finally, check the processing results.