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| Name | Type | Description |
|---|
$arg |
xs:string? |
the string to test |
$pattern |
xs:string |
the regular expression |
| return value |
xs:integer |
XSLT Function Declaration| See XQuery definition. | <xsl:function name="functx:number-of-matches" as="xs:integer"
xmlns:functx="http://www.functx.com">
<xsl:param name="arg" as="xs:string?"/>
<xsl:param name="pattern" as="xs:string"/>
<xsl:sequence select="
count(tokenize($arg,$pattern)) - 1
"/>
</xsl:function>
|
Examples| XPath Example | Results |
|---|
functx:number-of-matches('abcabc','ab') |
2 |
functx:number-of-matches('12345','\d') |
5 |
functx:number-of-matches('aaaaaa','aaa') |
2 |
See Also| fn:matches | Whether a string matches a regular expression |
History |
Recommended Reading: 
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