xpath to get a span node that contains the text  Estimate .

HTML

<span class=>
Estimate
<span class=font-dark-d floatRight>25 - 35 EUR</span>
</span>
Here's an example of an XPath expression to select the span node that contains the text Estimate:

//span[normalize-space(text())=Estimate]

This selects any span element that has normalized text content of Estimate.
perfect