Text Cleanup

Clean CSV Column

Normalize a single column from a CSV for import.

Explanation

Often CSV data contains inconsistent padding or case which breaks database unique constraints.

Examples

CSV Column
Input
 SKU_1 
 sku_1
sku_2 
Output
sku_1
sku_1
sku_2

Code Examples

JavaScript
const cleanList = input.split('\n')
  .map(line => line.trim().toLowerCase())
  .filter(line => line !== '');

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💡 Tips

  • Standardize casing before importing to a database
  • Remove trailing spaces which are invisible in Excel
  • Useful for generating unique keys

⚠️ Common Pitfalls

  • Don't lowercase if the values are case-sensitive IDs