Firefox
If you use Firefox install Regex Search (by MohdPH) for better text searching within a page.
Press Ctrl+F
1. Enter search terms separated by |. For example cashew|almond|nut
2. Set Global on.
3. Click Highlight.
Search terms will be highlighted in yellow.
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Chromium (or Chrome)
If you use Chromium or Chrome install
Chrome Regex Search (by rshen) or Regex Search (by gsingh93).
Enter search terms separated by |. For example cashew|almond|nut
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MacOS
Last time I checked, Safari did not have a regex extension.
You can use Firefox or Chrome (or live without regex).
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Opera Browser
Opera has an extension that lets you install Chrome extensions.
Install "Install Chrome Extension". Then install "Chrome Regex Search (by rshen)".
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