Java regex split xml xpath

Question

I am trying to split the xpath as individual node.

My xpath is /samp/lorem/ipsum/dolar[a/c]/imet(a)/data

and I want to split like below:

/samp
/lorem
/ipsum
/dolar[a/c]
/imet(a)
/data

how to do this using java regex?

String nodes = xpath.split("?");

"how to do this using java regex?" You don't. XPath is a nested syntax. Java regex cannot do nested patterns. — Andreas
– Andreas, Commented Mar 5, 2019 at 17:32

Pushpesh Kumar Rajwanshi · Accepted Answer · 2019-03-05 17:34:02Z

1

You can split your string using this regex,

(?=/)(?![^\[\]]*])

Here (?=/) regex marks the position at the beginning of every / and (?![^\[\]]*]) negative look ahead ensures / inside square brackets is not selected for split.

Check this Java code,

String s = "/samp/lorem/ipsum/dolar[a/c]/imet(a)/data";
Arrays.stream(s.split("(?=/)(?![^\\[\\]]*])")).forEach(System.out::println);

Prints,

/samp
/lorem
/ipsum
/dolar[a/c]
/imet(a)
/data

answered Mar 5, 2019 at 17:34

Pushpesh Kumar Rajwanshi

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