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Re: Ungready Flag on Regex

Subject: Re: Ungready Flag on Regex
From: "Imsieke, Gerrit, le-tex gerrit.imsieke@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 8 Oct 2020 14:54:15 -0000
Re:  Ungready Flag on Regex
On 08.10.2020 16:26, Liam R. E. Quin liam@xxxxxxxxxxxxxxxx wrote:
You want [^*]*?

Thinking of the brilliant potential for misunderstanding that this answer entails.


Christophe: I don't understand why you are asking me whether I want [^*]*.

Jokes aside, I think you need the non-greedy question mark modifier, but not on [^*]*. You use it to make .* non-greedy. Otherwise it will stop at the first '*' that it encounters.

This works:

<xsl:template name="xsl:initial-template">
  <doc>
    <xsl:analyze-string
      select="'Comments are delimited by **/* */** or prefixed by **//**'"
      regex="\*\*(.*?)\*\*">
      <xsl:matching-substring>
        <b>
          <xsl:value-of select="regex-group(1)"/>
        </b>
      </xsl:matching-substring>
      <xsl:non-matching-substring>
        <xsl:value-of select="."/>
      </xsl:non-matching-substring>
    </xsl:analyze-string>
  </doc>
</xsl:template>

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