How to use String function in XML
In this article, we will discuss the string function in XQuery
The String function in XQuery returns the value of arguments, if argument is a empty sequence, the zero-length string is returned and if arguments is a node then it return the string value of node and if string is a atomic value then it returned the same string. Function on string value is given below-
- concat Function
concat function is used for concatenates two or more string.
Syntax of concat Function
fn:concat ($string as xs:string?,$string as xs:string?[, ...]) as xs:string
The contain function returns true if string one contain a value of string two, otherwise it return false.
Syntax of contain function
fn:contains ($arg1 as xs:string? , $arg2 as xs:string?) as xs:boolean?
- substring Function
The sub string function is use to determine the starting location for the substring, where the first character is at position 1.
Syntax of substring
fn:substring($sourceString as xs:string?,
$startingLoc as xs:decimal?,
$length as xs:decimal?) as xs:string?
- string-length Function
The length function returns the no of characters in the string. If there is no string argument it returns the length of the string value of the current node
Syntax of string-length
fn:string-length() as xs:integer
fn:string-length($arg as xs:string?) as xs:integer
- upper-case Function
The fn:upper-case(string) converts each character into upper case character.
Syntax of upper-case Function
fn:upper-case($arg as xs:string?) as xs:string
- lower-case Function
The lower-case Function converts each character into lower case character
Syntax of lower-case Function
fn:lower-case($arg as xs:string?) as xs:string
It is use for comparing between two function.
Syntax of compare Function
- replace Function
The fn:replace function replaces parts of a string that match a regular expression.
Syntax of replace Function
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