Predicates are for the purpose of finding some specific nodes or any node that contains some specific value. Predicates should be used in square brackets.
The following table shows some sample Xpath expressions and the results related with those expressions:
| Path Expression | Result |
|---|---|
| /publisher/product[1] | This expression is used for selecting first element of product. |
| /publisher/product[last()] | This expression is used for selecting the last product element. |
| /publisher/product[last()-1] | This expression is used for selecting the latest product element. |
| /publisher/product[position()<3] | This expression is used for selecting the first two product elements. |
| //title[@lang] | This expression is used for selecting all of the title ... |
