OR operator in JSONPath?

Question

Using a single JSONPath expression alone, is it possible to do some kind of \'OR\' or \'||\' operator. For example, these two JSONPath boolean expressions work to check the

Answer 1

From the JSONPath page:

[,] - Union operator in XPath results in a combination of node sets. JSONPath allows alternate names or array indices as a set.

Try

$..log[?(@.severity == 'WARN'), ?(@.severity == 'Error')]

Edit: Looks like there is an open issue for logical AND and OR operators in which they state that the operators are not yet supported by JSONPath.