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A full list of JavaScript operators with examples

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Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

Which is more popular?
Based on our record, regular expressions 101 seems to be a lot more popular than JavaScript Operator Lookup. While we know about 891 links to regular expressions 101, we've tracked only 1 mention of JavaScript Operator Lookup.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | regex101.com |
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Share your experience with using JavaScript Operator Lookup and regular expressions 101. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you replace your || with ?? You should get the behaviour you are after. This is a good reference for what the operators do in js: https://joshwcomeau.com/operator-lookup. Source: about 5 years ago
Time to take care of that regular expression that acts as the word separator. With some experimentation (the regex101 web site is good for that), we arrived at this:. - Source: dev.to / 4 months ago
Regex101.com — full debugger with step-by-step matching. - Source: dev.to / 7 months ago
Regex101.com is objectively better than my regex explainer. - Source: dev.to / 9 months ago
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