The replace function replaces the matched input string with a given string.
Syntax
replace($input, $regex, $string)
Input Parameters
- $input − input string.
- $regex − regular expression.
- $string – string to replace original string.
Example
XQuery Expression
let $input := 'Chapter 1 ... Chapter 2' return ( replace($input, "Chapter (\d)", "Section $1.0"))
Output
Section 1.0 ... Section 2.0
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.