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Contents
module pangram;
import std.uni : toLower;
bool isPangram(string str)
{
bool[dchar] letters;
foreach (char letter; str)
{
auto lower = toLower(letter);
if (lower >= 'a' && lower <= 'z')
{
letters[lower] = true;
}
}
return letters.length == 26;
}
unittest
{
assert(!isPangram(""));
assert(isPangram("the quick brown fox jumps over the lazy dog"));
// missing x
assert(!isPangram("a quick movement of the enemy will jeopardize five gunboats"));
assert(!isPangram("the quick brown fish jumps over the lazy dog"));
// test underscores
assert(isPangram("the_quick_brown_fox_jumps_over_the_lazy_dog"));
// test pangram with numbers
assert(isPangram("the 1 quick brown fox jumps over the 2 lazy dogs"));
// test missing letters replaced by numbers
assert(!isPangram("7h3 qu1ck brown fox jumps ov3r 7h3 lazy dog"));
// test pangram with mixed case and punctuation
assert(isPangram("\"Five quacking Zephyrs jolt my wax bed\""));
// pangram with non-ascii characters
assert(isPangram("Victor jagt zwölf Boxkämpfer quer über den großen Sylter Deich"));
}
Version data entries
213 entries across 213 versions & 1 rubygems