regex - XSL using matches and regular expressions -


i have simple for-each statement matches nodes using regular expression. looking inside nodes matches of 4 or more digits.

<xsl:for-each select="//methods/body[matches(., '= \d{4}')]">     <p><xsl:value-of select="." /></p> </xsl:for-each>

i trying value of matched value - i.e. if nodea contains "xxxx yyyy 12345 zzzz" , nodeb contains "aaa bb 88555 cccc", print values 12345 , 88555.

the code above print entire current node matches.

furthermore, need distinct values. e.g. xxx 12345, yyy 56789, zzz 12345 need result 12345 , 56789.

is matching pattern best way accomplish this? got initial (correct) set of nodes quickly, stalled.

for test, matches() works well. pulling out values, xsl:analyze-string better.

example...

xml input

<doc>     <x>xxxx yyyy 12345 zzzz</x>     <x>aaa bb 88555 cccc</x>     <x>xxxx yyyy 12345 zzzz aaa bb 88555 cccc</x>     </doc>

xslt 2.0

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/xsl/transform">     <xsl:output method="text"/>     <xsl:strip-space elements="*"/>      <xsl:template match="/*">         <xsl:variable name="values">             <xsl:for-each select="x[matches(.,'\d{4}')]">                 <xsl:analyze-string select="." regex="\d{{4}}">                     <xsl:matching-substring>                         <xsl:sequence select="."/>                     </xsl:matching-substring>                 </xsl:analyze-string>             </xsl:for-each>         </xsl:variable>         <xsl:value-of select="distinct-values(tokenize($values,'\s'))" separator=", "/>     </xsl:template>  </xsl:stylesheet>

output

1234, 8855

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