35 template<
typename type_t>
49 static bool is_ascii(type_t
c) noexcept {
return c > 0 &&
c <= 0x7F;}
61 static bool is_control(type_t
c) noexcept {
return std::iscntrl(
c) != 0;}
74 static bool is_digit(type_t
c) noexcept {
return std::isdigit(
c) != 0;}
86 static bool is_letter(type_t
c) noexcept {
return std::isalpha(
c) != 0;}
110 static bool is_lower(type_t
c) noexcept {
return std::islower(
c) != 0;}
122 static bool is_number(type_t
c) noexcept {
return std::isdigit(
c) != 0;}
146 static bool is_separator(type_t
c) noexcept {
return std::isspace(
c) != 0 ||
c ==
'\n';}
158 static bool is_symbol(type_t
c) noexcept {
return std::isgraph(
c) != 0 ||
c == 0x9C;}
170 static bool is_upper(type_t
c) noexcept {
return std::isupper(
c) != 0;}
194 static char to_lower(type_t
c) noexcept {
return static_cast<type_t
>(std::tolower(
c));}
199 static char to_upper(type_t
c) noexcept {
return static_cast<type_t
>(std::toupper(
c));}
static bool is_punctuation(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a punctuation mark...
Definition: box_char.h:134
Represents a boxed char object.
Definition: box_char.h:36
static bool is_ascii(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is an ASCII character...
Definition: box_char.h:56
static bool is_number(type_t c) noexcept
Indicates whether a Unicode character is categorized as a number.
Definition: box_char.h:122
static bool is_letter_or_digit(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a l...
Definition: box_char.h:105
static bool is_white_space(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as whi...
Definition: box_char.h:189
static bool is_letter(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a U...
Definition: box_char.h:93
static bool is_upper(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as an uppercase letter.
Definition: box_char.h:170
The xtd namespace contains all fundamental classes to access Hardware, Os, System, and more.
Definition: system_report.h:17
static bool is_letter(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a Unicode letter.
Definition: box_char.h:86
const type_t & value() const noexcept
Gets the underlying value.
Definition: box.h:79
Represents text as a sequence of UTF-8 code units.
Definition: ustring.h:46
static bool is_letter_or_digit(type_t c) noexcept
Indicates whether a Unicode character is categorized as a letter or a decimal digit.
Definition: box_char.h:98
static bool is_digit(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a d...
Definition: box_char.h:81
static bool is_white_space(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as white space.
Definition: box_char.h:182
static bool is_punctuation(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a p...
Definition: box_char.h:141
static bool is_separator(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a separator character.
Definition: box_char.h:146
static bool is_number(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a n...
Definition: box_char.h:129
static bool is_control(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a control character.
Definition: box_char.h:61
static bool is_control(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a c...
Definition: box_char.h:68
static bool is_separator(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a s...
Definition: box_char.h:153
static bool is_ascii(type_t c) noexcept
Returns true if c is an ASCII character ([ U+0000..U+007F ]).
Definition: box_char.h:49
Represents a boxed integer object.
Definition: box_integer.h:36
static bool is_digit(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a decimal digit.
Definition: box_char.h:74
static bool is_symbol(type_t c) noexcept
Indicates whether the specified Unicode character is categorized as a symbol character.
Definition: box_char.h:158
static char to_lower(type_t c) noexcept
Converts the value of a Unicode character to its lowercase equivalent.
Definition: box_char.h:194
static bool is_symbol(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a s...
Definition: box_char.h:165
static bool is_upper(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as an ...
Definition: box_char.h:177
static char to_upper(type_t c) noexcept
Converts the value of a Unicode character to its uppercase equivalent.
Definition: box_char.h:199
Contains xtd::box_integer class.
static bool is_lower(type_t c) noexcept
ndicates whether the specified Unicode character is categorized as a lowercase letter.
Definition: box_char.h:110
static bool is_lower(const ustring &s, size_t index)
Indicates whether the character at the specified position in a specified string is categorized as a l...
Definition: box_char.h:117