# Generates a random character representing the ascii digits 0-9
def digit_char() = char(48, 58);

# Generates a random lowercase character in the range a-z
def lowercase_ascii_char() = char(97, 123);

# Generates a random uppercase character in the range A-Z
def uppercase_ascii_char() = char(65, 91);

# Generates a random ascii alphanumeric character
def ascii_alphanumeric_char() = select(lowercase_ascii_char(), uppercase_ascii_char(), digit_char());



#  Generates a random unicode codepoint in the range: 0x0000, 0x007F
def basic_latin_char() = char(0x0000, 0x007F);

#  Generates a random unicode codepoint in the range: 0x0080, 0x00FF
def c1_controls_and_latin_1_supplement_char() = char(0x0080, 0x00FF);

#  Generates a random unicode codepoint in the range: 0x0100, 0x017F
def latin_extended_a_char() = char(0x0100, 0x017F);

#  Generates a random unicode codepoint in the range: 0x0180, 0x024F
def latin_extended_b_char() = char(0x0180, 0x024F);

#  Generates a random unicode codepoint in the range: 0x0250, 0x02AF
def ipa_extensions_char() = char(0x0250, 0x02AF);

#  Generates a random unicode codepoint in the range: 0x02B0, 0x02FF
def spacing_modifier_letters_char() = char(0x02B0, 0x02FF);

#  Generates a random unicode codepoint in the range: 0x0300, 0x036F
def combining_diacritical_marks_char() = char(0x0300, 0x036F);

#  Generates a random unicode codepoint in the range: 0x0370, 0x03FF
def greek_coptic_char() = char(0x0370, 0x03FF);

#  Generates a random unicode codepoint in the range: 0x0400, 0x04FF
def cyrillic_char() = char(0x0400, 0x04FF);

#  Generates a random unicode codepoint in the range: 0x0500, 0x052F
def cyrillic_supplement_char() = char(0x0500, 0x052F);

#  Generates a random unicode codepoint in the range: 0x0530, 0x058F
def armenian_char() = char(0x0530, 0x058F);

#  Generates a random unicode codepoint in the range: 0x0590, 0x05FF
def hebrew_char() = char(0x0590, 0x05FF);

#  Generates a random unicode codepoint in the range: 0x0600, 0x06FF
def arabic_char() = char(0x0600, 0x06FF);

#  Generates a random unicode codepoint in the range: 0x0700, 0x074F
def syriac_char() = char(0x0700, 0x074F);

#  Generates a random unicode codepoint in the range: 0x0780, 0x07BF
def thaana_char() = char(0x0780, 0x07BF);

#  Generates a random unicode codepoint in the range: 0x0900, 0x097F
def devanagari_char() = char(0x0900, 0x097F);

#  Generates a random unicode codepoint in the range: 0x0980, 0x09FF
def bengali_assamese_char() = char(0x0980, 0x09FF);

#  Generates a random unicode codepoint in the range: 0x0A00, 0x0A7F
def gurmukhi_char() = char(0x0A00, 0x0A7F);

#  Generates a random unicode codepoint in the range: 0x0A80, 0x0AFF
def gujarati_char() = char(0x0A80, 0x0AFF);

#  Generates a random unicode codepoint in the range: 0x0B00, 0x0B7F
def oriya_char() = char(0x0B00, 0x0B7F);

#  Generates a random unicode codepoint in the range: 0x0B80, 0x0BFF
def tamil_char() = char(0x0B80, 0x0BFF);

#  Generates a random unicode codepoint in the range: 0x0C00, 0x0C7F
def telugu_char() = char(0x0C00, 0x0C7F);

#  Generates a random unicode codepoint in the range: 0x0C80, 0x0CFF
def kannada_char() = char(0x0C80, 0x0CFF);

#  Generates a random unicode codepoint in the range: 0x0D00, 0x0DFF
def malayalam_char() = char(0x0D00, 0x0DFF);

#  Generates a random unicode codepoint in the range: 0x0D80, 0x0DFF
def sinhala_char() = char(0x0D80, 0x0DFF);

#  Generates a random unicode codepoint in the range: 0x0E00, 0x0E7F
def thai_char() = char(0x0E00, 0x0E7F);

#  Generates a random unicode codepoint in the range: 0x0E80, 0x0EFF
def lao_char() = char(0x0E80, 0x0EFF);

#  Generates a random unicode codepoint in the range: 0x0F00, 0x0FFF
def tibetan_char() = char(0x0F00, 0x0FFF);

#  Generates a random unicode codepoint in the range: 0x1000, 0x109F
def myanmar_char() = char(0x1000, 0x109F);

#  Generates a random unicode codepoint in the range: 0x10A0, 0x10FF
def georgian_char() = char(0x10A0, 0x10FF);

#  Generates a random unicode codepoint in the range: 0x1100, 0x11FF
def hangul_jamo_char() = char(0x1100, 0x11FF);

#  Generates a random unicode codepoint in the range: 0x1200, 0x137F
def ethiopic_char() = char(0x1200, 0x137F);

#  Generates a random unicode codepoint in the range: 0x13A0, 0x13FF
def cherokee_char() = char(0x13A0, 0x13FF);

#  Generates a random unicode codepoint in the range: 0x1400, 0x167F
def unified_canadian_aboriginal_syllabics_char() = char(0x1400, 0x167F);

#  Generates a random unicode codepoint in the range: 0x1680, 0x169F
def ogham_char() = char(0x1680, 0x169F);

#  Generates a random unicode codepoint in the range: 0x16A0, 0x16FF
def runic_char() = char(0x16A0, 0x16FF);

#  Generates a random unicode codepoint in the range: 0x1700, 0x171F
def tagalog_char() = char(0x1700, 0x171F);

#  Generates a random unicode codepoint in the range: 0x1720, 0x173F
def hanunoo_char() = char(0x1720, 0x173F);

#  Generates a random unicode codepoint in the range: 0x1740, 0x175F
def buhid_char() = char(0x1740, 0x175F);

#  Generates a random unicode codepoint in the range: 0x1760, 0x177F
def tagbanwa_char() = char(0x1760, 0x177F);

#  Generates a random unicode codepoint in the range: 0x1780, 0x17FF
def khmer_char() = char(0x1780, 0x17FF);

#  Generates a random unicode codepoint in the range: 0x1800, 0x18AF
def mongolian_char() = char(0x1800, 0x18AF);

#  Generates a random unicode codepoint in the range: 0x1900, 0x194F
def limbu_char() = char(0x1900, 0x194F);

#  Generates a random unicode codepoint in the range: 0x1950, 0x197F
def tai_le_char() = char(0x1950, 0x197F);

#  Generates a random unicode codepoint in the range: 0x19E0, 0x19FF
def khmer_symbols_char() = char(0x19E0, 0x19FF);

#  Generates a random unicode codepoint in the range: 0x1D00, 0x1D7F
def phonetic_extensions_char() = char(0x1D00, 0x1D7F);

#  Generates a random unicode codepoint in the range: 0x1E00, 0x1EFF
def latin_extended_additional_char() = char(0x1E00, 0x1EFF);

#  Generates a random unicode codepoint in the range: 0x1F00, 0x1FFF
def greek_extended_char() = char(0x1F00, 0x1FFF);

#  Generates a random unicode codepoint in the range: 0x2000, 0x206F
def general_punctuation_char() = char(0x2000, 0x206F);

#  Generates a random unicode codepoint in the range: 0x2070, 0x209F
def superscripts_and_subscripts_char() = char(0x2070, 0x209F);

#  Generates a random unicode codepoint in the range: 0x20A0, 0x20CF
def currency_symbols_char() = char(0x20A0, 0x20CF);

#  Generates a random unicode codepoint in the range: 0x20D0, 0x20FF
def combining_diacritical_marks_for_symbols_char() = char(0x20D0, 0x20FF);

#  Generates a random unicode codepoint in the range: 0x2100, 0x214F
def letterlike_symbols_char() = char(0x2100, 0x214F);

#  Generates a random unicode codepoint in the range: 0x2150, 0x218F
def number_forms_char() = char(0x2150, 0x218F);

#  Generates a random unicode codepoint in the range: 0x2190, 0x21FF
def arrows_char() = char(0x2190, 0x21FF);

#  Generates a random unicode codepoint in the range: 0x2200, 0x22FF
def mathematical_operators_char() = char(0x2200, 0x22FF);

#  Generates a random unicode codepoint in the range: 0x2300, 0x23FF
def miscellaneous_technical_char() = char(0x2300, 0x23FF);

#  Generates a random unicode codepoint in the range: 0x2400, 0x243F
def control_pictures_char() = char(0x2400, 0x243F);

#  Generates a random unicode codepoint in the range: 0x2440, 0x245F
def optical_character_recognition_char() = char(0x2440, 0x245F);

#  Generates a random unicode codepoint in the range: 0x2460, 0x24FF
def enclosed_alphanumerics_char() = char(0x2460, 0x24FF);

#  Generates a random unicode codepoint in the range: 0x2500, 0x257F
def box_drawing_char() = char(0x2500, 0x257F);

#  Generates a random unicode codepoint in the range: 0x2580, 0x259F
def block_elements_char() = char(0x2580, 0x259F);

#  Generates a random unicode codepoint in the range: 0x25A0, 0x25FF
def geometric_shapes_char() = char(0x25A0, 0x25FF);

#  Generates a random unicode codepoint in the range: 0x2600, 0x26FF
def miscellaneous_symbols_char() = char(0x2600, 0x26FF);

#  Generates a random unicode codepoint in the range: 0x2700, 0x27BF
def dingbats_char() = char(0x2700, 0x27BF);

#  Generates a random unicode codepoint in the range: 0x27C0, 0x27EF
def miscellaneous_mathematical_symbols_a_char() = char(0x27C0, 0x27EF);

#  Generates a random unicode codepoint in the range: 0x27F0, 0x27FF
def supplemental_arrows_a_char() = char(0x27F0, 0x27FF);

#  Generates a random unicode codepoint in the range: 0x2800, 0x28FF
def braille_patterns_char() = char(0x2800, 0x28FF);

#  Generates a random unicode codepoint in the range: 0x2900, 0x297F
def supplemental_arrows_b_char() = char(0x2900, 0x297F);

#  Generates a random unicode codepoint in the range: 0x2980, 0x29FF
def miscellaneous_mathematical_symbols_b_char() = char(0x2980, 0x29FF);

#  Generates a random unicode codepoint in the range: 0x2A00, 0x2AFF
def supplemental_mathematical_operators_char() = char(0x2A00, 0x2AFF);

#  Generates a random unicode codepoint in the range: 0x2B00, 0x2BFF
def miscellaneous_symbols_and_arrows_char() = char(0x2B00, 0x2BFF);

#  Generates a random unicode codepoint in the range: 0x2E80, 0x2EFF
def cjk_radicals_supplement_char() = char(0x2E80, 0x2EFF);

#  Generates a random unicode codepoint in the range: 0x2F00, 0x2FDF
def kangxi_radicals_char() = char(0x2F00, 0x2FDF);

#  Generates a random unicode codepoint in the range: 0x2FF0, 0x2FFF
def ideographic_description_characters_char() = char(0x2FF0, 0x2FFF);

#  Generates a random unicode codepoint in the range: 0x3000, 0x303F
def cjk_symbols_and_punctuation_char() = char(0x3000, 0x303F);

#  Generates a random unicode codepoint in the range: 0x3040, 0x309F
def hiragana_char() = char(0x3040, 0x309F);

#  Generates a random unicode codepoint in the range: 0x30A0, 0x30FF
def katakana_char() = char(0x30A0, 0x30FF);

#  Generates a random unicode codepoint in the range: 0x3100, 0x312F
def bopomofo_char() = char(0x3100, 0x312F);

#  Generates a random unicode codepoint in the range: 0x3130, 0x318F
def hangul_compatibility_jamo_char() = char(0x3130, 0x318F);

#  Generates a random unicode codepoint in the range: 0x3190, 0x319F
def kanbun_char() = char(0x3190, 0x319F);

#  Generates a random unicode codepoint in the range: 0x31A0, 0x31BF
def bopomofo_extended_char() = char(0x31A0, 0x31BF);

#  Generates a random unicode codepoint in the range: 0x31F0, 0x31FF
def katakana_phonetic_extensions_char() = char(0x31F0, 0x31FF);

#  Generates a random unicode codepoint in the range: 0x3200, 0x32FF
def enclosed_cjk_letters_and_months_char() = char(0x3200, 0x32FF);

#  Generates a random unicode codepoint in the range: 0x3300, 0x33FF
def cjk_compatibility_char() = char(0x3300, 0x33FF);

#  Generates a random unicode codepoint in the range: 0x3400, 0x4DBF
def cjk_unified_ideographs_extension_a_char() = char(0x3400, 0x4DBF);

#  Generates a random unicode codepoint in the range: 0x4DC0, 0x4DFF
def yijing_hexagram_symbols_char() = char(0x4DC0, 0x4DFF);

#  Generates a random unicode codepoint in the range: 0x4E00, 0x9FAF
def cjk_unified_ideographs_char() = char(0x4E00, 0x9FAF);

#  Generates a random unicode codepoint in the range: 0xA000, 0xA48F
def yi_syllables_char() = char(0xA000, 0xA48F);

#  Generates a random unicode codepoint in the range: 0xA490, 0xA4CF
def yi_radicals_char() = char(0xA490, 0xA4CF);

#  Generates a random unicode codepoint in the range: 0xAC00, 0xD7AF
def hangul_syllables_char() = char(0xAC00, 0xD7AF);

#  Generates a random unicode codepoint in the range: 0xD800, 0xDBFF
def high_surrogate_area_char() = char(0xD800, 0xDBFF);

#  Generates a random unicode codepoint in the range: 0xDC00, 0xDFFF
def low_surrogate_area_char() = char(0xDC00, 0xDFFF);

#  Generates a random unicode codepoint in the range: 0xE000, 0xF8FF
def private_use_area_char() = char(0xE000, 0xF8FF);

#  Generates a random unicode codepoint in the range: 0xF900, 0xFAFF
def cjk_compatibility_ideographs_char() = char(0xF900, 0xFAFF);

#  Generates a random unicode codepoint in the range: 0xFB00, 0xFB4F
def alphabetic_presentation_forms_char() = char(0xFB00, 0xFB4F);

#  Generates a random unicode codepoint in the range: 0xFB50, 0xFDFF
def arabic_presentation_forms_a_char() = char(0xFB50, 0xFDFF);

#  Generates a random unicode codepoint in the range: 0xFE00, 0xFE0F
def variation_selectors_char() = char(0xFE00, 0xFE0F);

#  Generates a random unicode codepoint in the range: 0xFE20, 0xFE2F
def combining_half_marks_char() = char(0xFE20, 0xFE2F);

#  Generates a random unicode codepoint in the range: 0xFE30, 0xFE4F
def cjk_compatibility_forms_char() = char(0xFE30, 0xFE4F);

#  Generates a random unicode codepoint in the range: 0xFE50, 0xFE6F
def small_form_variants_char() = char(0xFE50, 0xFE6F);

#  Generates a random unicode codepoint in the range: 0xFE70, 0xFEFF
def arabic_presentation_forms_b_char() = char(0xFE70, 0xFEFF);

#  Generates a random unicode codepoint in the range: 0xFF00, 0xFFEF
def halfwidth_and_fullwidth_forms_char() = char(0xFF00, 0xFFEF);

#  Generates a random unicode codepoint in the range: 0xFFF0, 0xFFFF
def specials_char() = char(0xFFF0, 0xFFFF);

#  Generates a random unicode codepoint in the range: 0x10000, 0x1007F
def linear_b_syllabary_char() = char(0x10000, 0x1007F);

#  Generates a random unicode codepoint in the range: 0x10080, 0x100FF
def linear_b_ideograms_char() = char(0x10080, 0x100FF);

#  Generates a random unicode codepoint in the range: 0x10100, 0x1013F
def aegean_numbers_char() = char(0x10100, 0x1013F);

#  Generates a random unicode codepoint in the range: 0x10300, 0x1032F
def old_italic_char() = char(0x10300, 0x1032F);

#  Generates a random unicode codepoint in the range: 0x10330, 0x1034F
def gothic_char() = char(0x10330, 0x1034F);

#  Generates a random unicode codepoint in the range: 0x10380, 0x1039F
def ugaritic_char() = char(0x10380, 0x1039F);

#  Generates a random unicode codepoint in the range: 0x10400, 0x1044F
def deseret_char() = char(0x10400, 0x1044F);

#  Generates a random unicode codepoint in the range: 0x10450, 0x1047F
def shavian_char() = char(0x10450, 0x1047F);

#  Generates a random unicode codepoint in the range: 0x10480, 0x104AF
def osmanya_char() = char(0x10480, 0x104AF);

#  Generates a random unicode codepoint in the range: 0x10800, 0x1083F
def cypriot_syllabary_char() = char(0x10800, 0x1083F);

#  Generates a random unicode codepoint in the range: 0x1D000, 0x1D0FF
def byzantine_musical_symbols_char() = char(0x1D000, 0x1D0FF);

#  Generates a random unicode codepoint in the range: 0x1D100, 0x1D1FF
def musical_symbols_char() = char(0x1D100, 0x1D1FF);

#  Generates a random unicode codepoint in the range: 0x1D300, 0x1D35F
def tai_xuan_jing_symbols_char() = char(0x1D300, 0x1D35F);

#  Generates a random unicode codepoint in the range: 0x1D400, 0x1D7FF
def mathematical_alphanumeric_symbols_char() = char(0x1D400, 0x1D7FF);

#  Generates a random unicode codepoint in the range: 0x20000, 0x2A6DF
def cjk_unified_ideographs_extension_b_char() = char(0x20000, 0x2A6DF);

#  Generates a random unicode codepoint in the range: 0x2F800, 0x2FA1F
def cjk_compatibility_ideographs_supplement_char() = char(0x2F800, 0x2FA1F);

# Generates a random unicode character. The range of possible characters includes
# whitespace, control character, combining diacritics, and other things that may
# cause nasty surprises in strings. This will NOT, however, generate any characters from 
# the high_surrogate_area_char or low_surrogate_area_char ranges, as doing so could
# result in invalid utf-8. 
def unicode_char() = select(
    basic_latin_char(),
    c1_controls_and_latin_1_supplement_char(),
    latin_extended_a_char(),
    latin_extended_b_char(),
    ipa_extensions_char(),
    spacing_modifier_letters_char(),
    combining_diacritical_marks_char(),
    greek_coptic_char(),
    cyrillic_char(),
    cyrillic_supplement_char(),
    armenian_char(),
    hebrew_char(),
    arabic_char(),
    syriac_char(),
    thaana_char(),
    devanagari_char(),
    bengali_assamese_char(),
    gurmukhi_char(),
    gujarati_char(),
    oriya_char(),
    tamil_char(),
    telugu_char(),
    kannada_char(),
    malayalam_char(),
    sinhala_char(),
    thai_char(),
    lao_char(),
    tibetan_char(),
    myanmar_char(),
    georgian_char(),
    hangul_jamo_char(),
    ethiopic_char(),
    cherokee_char(),
    unified_canadian_aboriginal_syllabics_char(),
    ogham_char(),
    runic_char(),
    tagalog_char(),
    hanunoo_char(),
    buhid_char(),
    tagbanwa_char(),
    khmer_char(),
    mongolian_char(),
    limbu_char(),
    tai_le_char(),
    khmer_symbols_char(),
    phonetic_extensions_char(),
    latin_extended_additional_char(),
    greek_extended_char(),
    general_punctuation_char(),
    superscripts_and_subscripts_char(),
    currency_symbols_char(),
    combining_diacritical_marks_for_symbols_char(),
    letterlike_symbols_char(),
    number_forms_char(),
    arrows_char(),
    mathematical_operators_char(),
    miscellaneous_technical_char(),
    control_pictures_char(),
    optical_character_recognition_char(),
    enclosed_alphanumerics_char(),
    box_drawing_char(),
    block_elements_char(),
    geometric_shapes_char(),
    miscellaneous_symbols_char(),
    dingbats_char(),
    miscellaneous_mathematical_symbols_a_char(),
    supplemental_arrows_a_char(),
    braille_patterns_char(),
    supplemental_arrows_b_char(),
    miscellaneous_mathematical_symbols_b_char(),
    supplemental_mathematical_operators_char(),
    miscellaneous_symbols_and_arrows_char(),
    cjk_radicals_supplement_char(),
    kangxi_radicals_char(),
    ideographic_description_characters_char(),
    cjk_symbols_and_punctuation_char(),
    hiragana_char(),
    katakana_char(),
    bopomofo_char(),
    hangul_compatibility_jamo_char(),
    kanbun_char(),
    bopomofo_extended_char(),
    katakana_phonetic_extensions_char(),
    enclosed_cjk_letters_and_months_char(),
    cjk_compatibility_char(),
    cjk_unified_ideographs_extension_a_char(),
    yijing_hexagram_symbols_char(),
    cjk_unified_ideographs_char(),
    yi_syllables_char(),
    yi_radicals_char(),
    hangul_syllables_char(),
    private_use_area_char(),
    cjk_compatibility_ideographs_char(),
    alphabetic_presentation_forms_char(),
    arabic_presentation_forms_a_char(),
    variation_selectors_char(),
    combining_half_marks_char(),
    cjk_compatibility_forms_char(),
    small_form_variants_char(),
    arabic_presentation_forms_b_char(),
    halfwidth_and_fullwidth_forms_char(),
    specials_char(),
    linear_b_syllabary_char(),
    linear_b_ideograms_char(),
    aegean_numbers_char(),
    old_italic_char(),
    gothic_char(),
    ugaritic_char(),
    deseret_char(),
    shavian_char(),
    osmanya_char(),
    cypriot_syllabary_char(),
    byzantine_musical_symbols_char(),
    musical_symbols_char(),
    tai_xuan_jing_symbols_char(),
    mathematical_alphanumeric_symbols_char(),
    cjk_unified_ideographs_extension_b_char(),
    cjk_compatibility_ideographs_supplement_char() 
);