XPath is a query language created in 1999.

XPath (XML Path Language) is a query language for selecting nodes from an XML document. In addition, XPath may be used to compute values (e.g., strings, numbers, or Boolean values) from the content of an XML document. XPath was defined by the World Wide Web Consortium (W3C).. Read more on Wikipedia...

• XPath Wikipedia page
• XPath docs
• XPath first developed in W3C
• ANTLR grammar for XPath
• See also: (20 related languages)XML, CSS, Java, C#, Python, JavaScript, XProc, XQuery, JSON, Unicode, C, Free Pascal, Perl, PHP, Ruby, Scheme, SQL, MySQL, PostgreSQL, Tcl