Does this tool support regular expressions?

Yes. Toggle the Regex option to use full JavaScript regular expression syntax in your find pattern.

Is the search case-sensitive by default?

No. Case sensitivity is off by default. Toggle the Case Sensitive option to match exact letter casing.

Matches are highlighted in the preview panel in real time, so you can verify before replacing.

No. All processing happens locally in your browser. Your text never leaves your device.

Search and replace text with regex support, case sensitivity, and live highlighted preview.

Find

Replace with

RegexCase Sensitive

Step 1

Paste or type your text into the input area.

Step 2

Enter the text or pattern you want to find.

Step 3

Enter the replacement text.

Step 4

Click Replace All and copy the result.

Full regular expression support for advanced patterns.

Case-sensitive and case-insensitive searching.

Real-time match count display.

Highlighted preview showing all matches.

Completely free with no sign-up required.

: Yes. Toggle the Regex option to use full JavaScript regular expression syntax in your find pattern.
: No. Case sensitivity is off by default. Toggle the Case Sensitive option to match exact letter casing.
: Matches are highlighted in the preview panel in real time, so you can verify before replacing.
: No. All processing happens locally in your browser. Your text never leaves your device.