Regex Studio
Test JavaScript regular expressions with highlighted matches, captures and replacement.
Settings
Result
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Using Regex Studio
Test JavaScript regular expressions with highlighted matches, captures and replacement.
Try it
Try \b[a-z]+\b with the g flag on a short sentence. Capture groups such as $1 can be used in replacements; slow patterns are stopped.
Processing & privacy
Processing happens on your device. When usage statistics are enabled for this tool, actions, settings, entered data and generated results may be sent to the site’s analytics database. You can disable this using Usage statistics below. Normal hosting access logs may still apply.