Question
For xpath on c#, how can I select a node by class where the node only has that 1 class?
For example, if I had this:
<span class="red blue"></span>
<span class="red"></span>
The xpath expression given "red" will only return the second node.
Thanks.
Popular Answer
If you'd like to select all span elements that have a @class that contains red and you are sure that the string red will not appear elsewhere in the @class use this in XPATH 1.0:
//span[contains(@class,'red')]
If red may appear within a different class (like say centered) you'll need to get more complex
//span[contains(concat(' ', normalize-space(@class), ' '), ' red ')]
If you can use XPATH 2.0, you can account for both cases like this:
//span[tokenize(@class,'\s+')[. eq 'red']]
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