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Replacing Text in Bulk with Regex

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Write a pattern
  • Enter the replacement
  • Copy the result

The "Replacement" field in Regex Tester rewrites all matched parts at once.

Steps

  1. Write a pattern
  2. Enter the replacement
  3. Copy the result
"$1" stands for the first parenthesized part.
Use "Regex Tester" (free)

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