excel-large-file-processing-and-cleaning

Automate regex-based text cleaning and column analysis in large Excel files.

4.9k|347|Updated Apr 14, 2026
One-click install
npx skills add https://github.com/OpenSenseNova/SenseNova-Skills --skill excel-large-file-processing-and-cleaning
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: excel-large-file-processing-and-cleaning
Source: https://github.com/OpenSenseNova/SenseNova-Skills/tree/main/skills/sn-da-excel-workflow/capability/excel-reading/structured-header-reading
Command: npx skills add https://github.com/OpenSenseNova/SenseNova-Skills --skill excel-large-file-processing-and-cleaning

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pandas, openpyxl, and includes scripts (resource) components.

What problem does it solve?

Handling large Excel files with multiple sheets often involves repetitive manual cleaning and targeted data analysis, which this Skill automates to save time and reduce errors.

Core Features & Use Cases

  • Data Cleaning: Uses regex to extract Chinese characters from text fields, ensuring data consistency for further processing.
  • Dynamic Column Matching: Identifies columns based on partial matches, facilitating flexibility in handling variable spreadsheet structures.
  • Data Analysis: Counts specific values within matched columns, enabling quick insight extraction from large datasets.
  • Use Case: Processing a multi-sheet sales report to extract Chinese product names and count the number of "varchar" entries in a specific column for quality assurance.

Quick Start

Input your Excel file into the system, then run this Skill to clean Chinese text fields and analyze target column values.

Frequently Asked Questions about excel-large-file-processing-and-cleaning

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I clean and extract Chinese text from large Excel files?

You can analyze specific column values in multi-sheet Excel files by using dynamic column matching. This feature identifies target columns based on partial matches and counts specific values, enabling quick insight extraction from large datasets.

Does this Excel data cleaning tool require pandas and openpyxl?

Yes, this Excel data cleaning tool requires pandas and openpyxl to function. These Python libraries are necessary dependencies for reading, manipulating, and writing large Excel spreadsheets during the automated processing workflow.

What is the best way to automate quality checking across multi-sheet Excel spreadsheets?

The best way to automate quality checking across multi-sheet Excel spreadsheets is to use dynamic column analysis and regex text extraction. This approach counts specific entries like "varchar" in matched columns to validate data quality efficiently.

Can I match columns dynamically in Excel if my spreadsheet structure changes?

Yes, you can match columns dynamically in Excel even if your spreadsheet structure changes. This Skill identifies columns based on partial matches, facilitating flexibility when handling variable spreadsheet structures for data validation.

How do I count specific values in an Excel column for data validation?

To count specific values in an Excel column for data validation, this Skill performs dynamic column analysis on large datasets. It identifies the target column through partial matching and automatically tallies the occurrences of the specified values.