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Upper and Lower Case

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

Key points
  • Choose IGNORE
  • Enter the pattern
  • Check it

In Regular Expression Builder you can ignore the difference between upper and lower case.

Steps

  1. Choose IGNORE
  2. Enter the pattern
  3. Check it
(?i) is added to the front of the pattern.
Use "Build a Regular Expression Formula" (free)

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