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I'm trying to parse ID from string /path1/path2/something/id/7272/more/path/8282/category/3131 and the problem is that the string could be different all the time but the very part of /id/* is the same all the time. So I'm trying to get it with the following regex but it seems doesn't work.

new RegExp(/^./\//ig/^\d+$/)

After matching the result should be 7272.

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2 Answers 2

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Just use the /id/ part of the string for your matching too:

/\/id\/(\d+)/

var str = '/path1/path2/something/id/7272/more/path/8282/category/3131';
console.log(str.match(/\/id\/(\d+)/));

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3 Comments

You need to specify the preceding \/ or this will also find /anotherid/666/
May belong to the usecase, yes. In his example this is no problem. I will extend the answer ... thx @Archer
No worries :-).
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Your regex should be "/id/(\\d+)"

Group: 1

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10 Comments

well that looks a lot of easier.
@eisbehr Nope, it has no errors in this regex. Remember regex is independent on any languages. This is the original format of regex So let's say. When I use the above regex in Java i have to escape it as : "/id/(\\d+)" In javascript, it should be : /\/id\/(\d+)/
There's a Javscript tag. It's language specific.
@Archer I know, But I said "your regex" it means I wrote it in original syntax of regular expression
I'd personally delete this answer as it is misleading.
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