21 Strings library [strings]

21.3 String classes [string.classes]

21.3.3 Non-member functions [string.nonmembers]

21.3.3.5 Erasure [string.erasure]

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template<class charT, class traits, class Allocator, class U> constexpr typename basic_string<charT, traits, Allocator>::size_type erase(basic_string<charT, traits, Allocator>& c, const U& value);
1
#
Effects: Equivalent to: 
auto it = remove(c.begin(), c.end(), value);
auto r = distance(it, c.end());
c.erase(it, c.end());
return r;
🔗
template<class charT, class traits, class Allocator, class Predicate> constexpr typename basic_string<charT, traits, Allocator>::size_type erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred);
2
#
Effects: Equivalent to: 
auto it = remove_if(c.begin(), c.end(), pred);
auto r = distance(it, c.end());
c.erase(it, c.end());
return r;