isAlpha

Value must contain only letters (a … z, A … Z)

@safe

@constraint

struct isAlpha {

bool check(T s);

static immutable

string errorMessage;

}

Members

Functions

check bool check(T s): Undocumented in source. Be warned that the author may not have intended to support it.

Static variables

errorMessage string errorMessage;: Undocumented in source.

Examples

assert(test!isAlpha("abcdefghijklmnopqrstuvwxyz"));
assert(test!isAlpha("ABCDEFGHIUJKLMNOPQRSTUVXYZ"));
assert(!test!isAlpha("a12"));
assert(!test!isAlpha("Müll"));

assert(test!isAlpha('a'));
assert(test!isAlpha('A'));
assert(!test!isAlpha('9'));
assert(!test!isAlpha("\xFF"));

Meta

Source

See Implementation