replace_all for C++

I’m always surprised by some of the basic functionality C++’s standard library lacks.    This week’s: a function to replace all occurrences within string x of string a with string b.  Of course it can be done, it’s just unwieldy given only the standard library facilities.

That’s why I’m so thankful for the Boost libraries.  Looks like <boost/algorithm/string/replace.hpp>’s replace_all() or replace_all_copy() would do the trick!

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