Ignore case

regex

(?i)error

Explanation

Equivalent to using an external ignore-case flag in many tools.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Flags and Modes

Let `^` and `$` work per line.

Open In sheetregexsame section

Let dot match newlines.

Open In sheetregexsame section

Allow whitespace and comments inside the regex.

Open In sheetregexsame section

Enable Unicode-aware parsing or matching.

Open In sheetregexsame section

Enable or disable flags for only part of a pattern.

Open In sheetregexsame section

Match only at the beginning of the input.