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<h2><span class="refentrytitle"><a name="rasqal-section-utilities.top_of_page"></a>Utilities</span></h2>
<p>Utilities — Utility functions.</p>
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<a name="rasqal-section-utilities.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"><span class="returnvalue">char</span> * <a class="link" href="rasqal-section-utilities.html#rasqal-regex-replace" title="rasqal_regex_replace ()">rasqal_regex_replace</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_locator</span> *locator</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *pattern</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *regex_flags</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *subject</code></em>,
<em class="parameter"><code><span class="type">size_t</span> subject_len</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *replace</code></em>,
<em class="parameter"><code><span class="type">size_t</span> replace_len</code></em>,
<em class="parameter"><code><span class="type">size_t</span> *result_len_p</code></em>);
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<div class="refsect1">
<a name="rasqal-section-utilities.description"></a><h2>Description</h2>
<p>
Miscellaneous utility functions.
</p>
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<a name="rasqal-section-utilities.details"></a><h2>Details</h2>
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<a name="rasqal-regex-replace"></a><h3>rasqal_regex_replace ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> * rasqal_regex_replace (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_locator</span> *locator</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *pattern</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *regex_flags</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *subject</code></em>,
<em class="parameter"><code><span class="type">size_t</span> subject_len</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *replace</code></em>,
<em class="parameter"><code><span class="type">size_t</span> replace_len</code></em>,
<em class="parameter"><code><span class="type">size_t</span> *result_len_p</code></em>);</pre>
<p>
Replace all copies of matches to a pattern with a replacement with subsitution
</p>
<p>
Intended to be used for SPARQL 1.1 <code class="function">REPLACE()</code> implementation.
</p>
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<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world</td>
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<td><p><span class="term"><em class="parameter"><code>locator</code></em> :</span></p></td>
<td>locator</td>
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<td><p><span class="term"><em class="parameter"><code>pattern</code></em> :</span></p></td>
<td>regex pattern</td>
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<td><p><span class="term"><em class="parameter"><code>regex_flags</code></em> :</span></p></td>
<td>regex flags string</td>
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<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>input string</td>
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<td><p><span class="term"><em class="parameter"><code>subject_len</code></em> :</span></p></td>
<td>input string length</td>
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<td><p><span class="term"><em class="parameter"><code>replace</code></em> :</span></p></td>
<td>replacement string</td>
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<td><p><span class="term"><em class="parameter"><code>replace_len</code></em> :</span></p></td>
<td>Length of replacement string</td>
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<td><p><span class="term"><em class="parameter"><code>result_len_p</code></em> :</span></p></td>
<td>pointer to store result length (output)</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>result string or NULL on failure</td>
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