<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>string.subst</title><link rel="stylesheet" type="text/css" href="../reference.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="../index.html" title="DocBook XSL Stylesheets: Reference Documentation"><link rel="up" href="generallibrary.html" title="General Library Templates"><link rel="prev" href="copy-string.html" title="copy-string"><link rel="next" href="xpointer.idref.html" title="xpointer.idref"><link rel="copyright" href="copyright.html" title="License"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">string.subst</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="copy-string.html">Prev</a> </td><th width="60%" align="center">General Library Templates</th><td width="20%" align="right"> <a accesskey="n" href="xpointer.idref.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="string.subst"></a><div class="titlepage"></div> <div class="refnamediv"><h2>string.subst</h2><p> string.subst — Substitute one text string for another in a string </p></div> <div class="refsect1"><a name="idp9500992"></a><h2>Description</h2> <p>The <code class="function">string.subst</code> template replaces all occurances of <em class="parameter"><code>target</code></em> in <em class="parameter"><code>string</code></em> with <em class="parameter"><code>replacement</code></em> and returns the result. </p> <a name="string.subst.frag"></a><pre class="programlisting"> <xsl:template name="string.subst"> <xsl:param name="string"></xsl:param> <xsl:param name="target"></xsl:param> <xsl:param name="replacement"></xsl:param> <xsl:choose> <xsl:when test="contains($string, $target)"> <xsl:variable name="rest"> <xsl:call-template name="string.subst"> <xsl:with-param name="string" select="substring-after($string, $target)"></xsl:with-param> <xsl:with-param name="target" select="$target"></xsl:with-param> <xsl:with-param name="replacement" select="$replacement"></xsl:with-param> </xsl:call-template> </xsl:variable> <xsl:value-of select="concat(substring-before($string, $target), $replacement, $rest)"></xsl:value-of> </xsl:when> <xsl:otherwise> <xsl:value-of select="$string"></xsl:value-of> </xsl:otherwise> </xsl:choose> </xsl:template> </pre> </div> </div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="copy-string.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="generallibrary.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="xpointer.idref.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">copy-string </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> xpointer.idref</td></tr></table></div></body></html>