Description
The functx:substring-before-if-contains function performs substring-before, returning the entire string if it does not contain the delimiter. It differs from the built-in fn:substring-before function, which returns a zero-length string if the delimiter is not found.
Arguments and Return Type| Name | Type | Description |
|---|
$arg |
xs:string? |
the string to substring |
$delim |
xs:string |
the delimiter |
| return value |
xs:string? |
XSLT Function Declaration| See XQuery definition. | | XSLT 2.0 Syntax: |
|---|
<xsl:function name="functx:substring-before-if-contains" as="xs:string?"
xmlns:functx="http://www.functx.com" >
<xsl:param name="arg" as="xs:string?"/>
<xsl:param name="delim" as="xs:string"/>
<xsl:sequence select="
if (contains($arg,$delim))
then substring-before($arg,$delim)
else $arg
"/>
</xsl:function>
|
Examples| XSLT Example | Results |
|---|
functx:substring-before-if-contains('abcd','c')
|
ab
|
functx:substring-before-if-contains('abcd','x')
|
abcd
|
See AlsoHistory |
|
