ePublisher Platform XSLT Extensions
 
string UnitsSuffix (string value)
 
Extract the units suffix of 'value'. Only returns a non-zero length string of there is also a numeric prefix.
Parameters:
value
The value.
Returns:
A string.
Determine units of 24px.
<xsl:variable name="VarNumber" select="wwunits:UnitsSuffix('24px')" />