langref.org - ruby, clojure, and cpp - Strings

Make a string uppercase

Transform "Space Monkey" into "SPACE MONKEY"

ruby

uppper = text.upcase

clojure

(.toUpperCase "Space Monkey")

cpp

String(L"Space Monkey").ToUpper();

std::string s = "Space Monkey";
std::transform(s.begin(), s.end(), s.begin(), std::toupper);

std::string s = "Space Monkey";
boost::to_upper(s);

Make a string lowercase

Transform "Caps ARE overRated" into "caps are overrated"

ruby

"Caps ARE overRated".downcase

clojure

(.toLowerCase "Caps ARE overRated")

cpp

std::string s = "Caps ARE overRated";
std::string sl(boost::to_lower_copy(s));

String(L"Caps ARE overRated").ToLower();

Capitalise the first letter of each word

Transform "man OF stEEL" into "Man Of Steel"

ruby

caps = text.gsub(/\w+/) { $&.capitalize }

caps = text.split.each{|i| i.capitalize!}.join(' ')

text.split.map(&:capitalize) * ' '

clojure

(use 'clojure.contrib.str-utils2)
(join " " (map capitalize (split "man OF stEEL" #" ")))

cpp

std::string words = "mAn OF stEEL";
std::transform(words.begin(), words.end(), words.begin(), ToCaps<>());

StringBuilder^ sb = gcnew StringBuilder(L"man OF stEEL");

for (int i = 0, isFirst = 1; i < sb->Length; ++i)
{
sb[i] = Char::IsWhiteSpace(sb[i]) ? (isFirst = 1, sb[i]) : isFirst ? (isFirst = 0, Char::ToUpper(sb[i])) : Char::ToLower(sb[i]);
}

std::string words = "mAn OF stEEL";
std::vector<std::string> swv;

boost::split(swv, words, boost::is_any_of(" "));
std::string newwords = (std::for_each(swv.begin(), swv.end(), StringTAndJ(WordToCaps))).value();