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replace [C++ Reference]
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<h2><a name="replace" id="replace">replace</a></h2>
<div class="level2">
<p>
Syntax:
</p>
<pre class="c code c++" style="font-family:monospace;"> <span class="co2">#include <string></span>
string<span class="sy0">&</span> replace<span class="br0">(</span> size_type index<span class="sy0">,</span> size_type num<span class="sy0">,</span> <span class="kw4">const</span> string<span class="sy0">&</span> str <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> size_type index1<span class="sy0">,</span> size_type num1<span class="sy0">,</span> <span class="kw4">const</span> string<span class="sy0">&</span> str<span class="sy0">,</span> size_type index2<span class="sy0">,</span> size_type num2 <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> size_type index<span class="sy0">,</span> size_type num<span class="sy0">,</span> <span class="kw4">const</span> Char<span class="sy0">*</span> str <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> size_type index<span class="sy0">,</span> size_type num1<span class="sy0">,</span> <span class="kw4">const</span> Char<span class="sy0">*</span> str<span class="sy0">,</span> size_type num2 <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> size_type index<span class="sy0">,</span> size_type num1<span class="sy0">,</span> size_type num2<span class="sy0">,</span> Char ch<span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> iterator start<span class="sy0">,</span> iterator end<span class="sy0">,</span> <span class="kw4">const</span> string<span class="sy0">&</span> str <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> iterator start<span class="sy0">,</span> iterator end<span class="sy0">,</span> <span class="kw4">const</span> Char<span class="sy0">*</span> str <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> iterator start<span class="sy0">,</span> iterator end<span class="sy0">,</span> <span class="kw4">const</span> Char<span class="sy0">*</span> str<span class="sy0">,</span> size_type num <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> iterator start<span class="sy0">,</span> iterator end<span class="sy0">,</span> size_type num<span class="sy0">,</span> Char ch <span class="br0">)</span><span class="sy0">;</span>
string<span class="sy0">&</span> replace<span class="br0">(</span> iterator start<span class="sy0">,</span> iterator end<span class="sy0">,</span> input_iterator start2<span class="sy0">,</span> input_iterator end2 <span class="br0">)</span><span class="sy0">;</span></pre>
<p>
The function replace() either:
</p>
<ul>
<li class="level1"><div class="li"> replaces up to <code>num</code> characters of the current string with characters from <code>str</code>, beginning at <code>index</code>,</div>
</li>
<li class="level1"><div class="li"> replaces up to <code>num1</code> characters of the current string (starting at <code>index1</code>) with up to <code>num2</code> characters from <code>str</code> beginning at <code>index2</code>,</div>
</li>
<li class="level1"><div class="li"> replaces up to <code>num</code> characters of the current string with characters from <code>str</code>, beginning at <code>index</code> in <code>str</code>,</div>
</li>
<li class="level1"><div class="li"> replaces up to <code>num1</code> characters in the current string (beginning at <code>index1</code>) with <code>num2</code> characters from <code>str</code> beginning at <code>index2</code>,</div>
</li>
<li class="level1"><div class="li"> replaces up to <code>num1</code> characters in the current string (beginning at <code>index</code>) with <code>num2</code> copies of <code>ch</code>,</div>
</li>
<li class="level1"><div class="li"> replaces the characters in the current string from <code>start</code> to <code>end</code> with <code>str</code>,</div>
</li>
<li class="level1"><div class="li"> replaces characters in the current string from <code>start</code> to <code>end</code> with <code>num</code> characters from <code>str</code>,</div>
</li>
<li class="level1"><div class="li"> or replaces the characters in the current string from start to end with num copies of ch.</div>
</li>
</ul>
<p>
For example, the following code displays the string “They say he carved it himself…find your soul-mate, Homer.”
</p>
<pre class="c code c++" style="font-family:monospace;"> <span class="kw4">string</span> s <span class="sy0">=</span> <span class="st0">"They say he carved it himself...from a BIGGER spoon"</span><span class="sy0">;</span>
<span class="kw4">string</span> s2 <span class="sy0">=</span> <span class="st0">"find your soul-mate, Homer."</span><span class="sy0">;</span>
s.<span class="me1">replace</span><span class="br0">(</span> 32<span class="sy0">,</span> s.<span class="me1">length</span><span class="br0">(</span><span class="br0">)</span> <span class="sy0">-</span> 32<span class="sy0">,</span> s2 <span class="br0">)</span><span class="sy0">;</span>
<a href="http://www.opengroup.org/onlinepubs/009695399/functions/cout.html"><span class="kw3">cout</span></a> <span class="sy0"><<</span> s <span class="sy0"><<</span> endl<span class="sy0">;</span></pre>
<p>
Related Topics: <a href="../string/insert.html" class="wikilink1" title="string:insert">insert</a>
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