Getting started with xpathFinding elements containing specific textNamespacesSelect nodes with names equal to or containing some stringFind nodes that have a specific attributeGet the count of nodesLocation paths and axesFinding elements containing specific attributesGet nodes relative to the current nodeSelect nodes based on their childrenCheck if a node is presentCheck if a node's text is empty
Check if a node's text is empty
Remarks:
Boolean function has other uses
- Check if a node is present
- Check if the argument is not a number (NaN) or is 0
String function is used to return the string value of a node.
Check if Deborah has a master and its text value is not empty
XML
<Deborah>
<address>Dark world</address>
<master>Babadi</master>
<ID>#0</ID>
<colour>red</colour>
<side>evil</side>
</Deborah>
XPATH
boolean(/Deborah/master/text())
OR
string(/Deborah/master) != ''
OUTPUT
true
Check if Dobby has a master and its text value is not empty
XML
<Dobby>
<address>Hogwartz</address>
<master></master>
<colour>wheatish</colour>
<side>all good</side>
</Dobby>
XPATH
boolean(/Dobby/master/text())
OR
string(/Dobby/master) != ''
OUTPUT
false
Syntax:
- boolean(path_to_node/text())
- string(path_to_node) != ''
Contributors
Topic Id: 7445
Example Ids: 24623,24624
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