Evaluating XPath Expresssions

XPath Result of XPath Evaluation
count(tokenize('XPath[1] XSLT[2]', '\[.+\]'))
2
tokenize('XPath[1] XSLT[2]', '\[.+\]')[1]
'XPath'
tokenize('XPath[1] XSLT[2]', '\[.+\]')[2]
''