Selectively replace multiple instances of a character within a string: Difference between revisions
Selectively replace multiple instances of a character within a string (view source)
Revision as of 05:11, 1 June 2022
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{{Template:Strings}}
<br>
=={{header|C++}}==
<lang cpp>#include <map>
#include <iostream>
#include <string>
int main()
{
std::map<char, std::string> rep =
{{'a', "DCaBA"}, // replacement string is reversed
{'b', "E"},
{'r', "Fr"}};
std::string magic = "abracadabra";
for(auto it = magic.begin(); it != magic.end(); ++it)
{
if(auto f = rep.find(*it); f != rep.end() && !f->second.empty())
{
*it = f->second.back();
f->second.pop_back();
}
}
std::cout << magic << "\n";
}</lang>
{{out}}
<pre>
AErBcadCbFD
</pre>
=={{header|Factor}}==
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