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Editorial Team
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Asked: 2026-05-23T21:36:19+00:00

I have a problem when trying to use the result of match function in

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I have a problem when trying to use the result of match function in one new match.

This is the code:

<html>
<body>

<script type="text/javascript">

p="somelongtextmelongtextmelongtextmelongtext";

f1 = p.match(/some/g);

document.write(f1);

f2 = f1.match(/om/g);

document.write(f2);

</script>

</body>
</html>

The output is the word “some” when it must be “om”. I don’t understand this behavior and I need the output of f1 in a more complex situation.

Thanks in advance.

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1 Answer

  1. Editorial Team

    Are you sure that you pasted the exact same code that you’re testing?

    I ask because f1 = p.match(/some/g); returns an array of matches, and the Array object does not have a .match method, so f1.match(/om/g); should throw an error.

    Anyways, the correct way to do this is:

    p="somelongtextmelongtextmelongtextmelongtext";
f1 = p.match(/some/g);
if (f1) {
    f2 = f1[0].match(/om/g);
    console.log(f2);
}
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