router.post(/^(\/path_A|\/path_B)/, verify, async (req, res) => {
...
});
I am trying to match both path_A and path_B in the same route by using regex. I believe there might be an issue with how the regex is written. Can someone please verify?
Your code snippet:
router.post(/^\/(path_A|path_B)/, verify, async (req, res) => {
...
});
Successfully matches either /path_A or /path_B. I have tested it locally to confirm its functionality. Here are some key points to note:
The use of ^ in the regex pattern is essential to ensure that the match occurs at the beginning of the path and does not match within a longer path. Without ^, it could mistakenly match paths like /X/path_A or /www/path_B.
As currently written, the regex pattern will also match variations such as /path_AAAA and
/path_Bxxx</code because it allows for additional characters after the initial match. If you want to exact matches without anything following <code>/path_A/path_B, consider adding a $ at the end of the regex.
If you opt for a string rather than a regex, your matching options may be more restricted. Express requires complete matches when using strings, but using a regex object gives you more control over the matching criteria.
It's worth mentioning that using a simpler path expression like this:
router.post("/(path_A|path_B)", verify, async (req, res) => {
...
});
will not work due to a runtime error caused by an older version of the path-to-regexp library used by Express. This issue has been resolved in newer versions, but Express still loads the outdated version causing problems with simple path expressions. As a workaround, utilizing the full regular expression object is necessary for your specific case.
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