How to transform string equation to number?

Question

I generated by a for each the following field: 214.2+428.4+end

I have used substring-before(prices,\'+end\') but this is a string.

Any ideas how I can take the 2

Answer 1

I would suggest you try it this way:

XSLT 1.0

Applied to your example input, the result will be:

64.6