XQuery - matches function

The matches function returns true if the input matches with the provided regular expression; otherwise false.

Syntax

matches($input, $regex)

Input Parameters

• $input − input string.

• $regex − regular expression.

Example

XQuery Expression

let $input := 'TutorialsPoint Simply Easy Learning'
return (matches($input, 'Hello') =  true(),
matches($input, 'T.* S.* E.* L.*') =  true()
)

Output

false
true

Verify the Result

In order to test the above-mentioned functionality, replace the contents of books.xqy (mentioned in Environment Setup chapter) with the above XQuery expression and execute the XQueryTester java program to verify the result.