home contribute faq download

FunctX XSLT Functions

functx:number-of-matches

The number of regions that match a pattern

Google
Webxsltfunctions.com

Description

The functx:number-of-matches function counts the number of times a string matches a particular pattern (regular expression). It does not count overlapping regions.

Arguments and Return Type

NameTypeDescription
$arg xs:string? the string to test
$pattern xs:string the regular expression
return value xs:integer

XSLT Function Declaration

See XQuery definition.
XSLT 2.0 Syntax:
<xsl:function name="functx:number-of-matches" as="xs:integer" 
              xmlns:functx="http://www.functx.com" >
  <xsl:param name="arg" as="xs:string?"/> 
  <xsl:param name="pattern" as="xs:string"/> 
 
  <xsl:sequence select=" 
   count(tokenize($arg,$pattern)) - 1
 "/>
   
</xsl:function>

Examples

XSLT ExampleResults
functx:number-of-matches('abcabc','ab')
2
functx:number-of-matches('12345','\d')
5
functx:number-of-matches('aaaaaa','aaa')
2

See Also

fn:matchesWhether a string matches a regular expression

History

Published OnLast UpdatedContributor(s)
2006-07-092007-02-26Priscilla Walmsley, Datypic, pwalmsley@datypic.com, http://www.datypic.com
Need XSLT Help?
D A T Y P I C
Training | Consulting | Development

XQuery by Priscilla WalmsleyGet the book!
XQuery by Priscilla Walmsley