text: 'use strict';
  
  module.exports = {
    // Alphabet chars.
    CHAR_UPPERCASE_A: 65, /* A */
    CHAR_LOWERCASE_A: 97, /* a */
    CHAR_UPPERCASE_Z: 90, /* Z */
    CHAR_LOWERCASE_Z: 122, /* z */
  
    // Non-alphabetic chars.
    CHAR_DOT: 46, /* . */
    CHAR_FORWARD_SLASH: 47, /* / */
    CHAR_BACKWARD_SLASH: 92, /* \ */
    CHAR_VERTICAL_LINE: 124, /* | */
    CHAR_COLON: 58, /* : */
    CHAR_QUESTION_MARK: 63, /* ? */
    CHAR_UNDERSCORE: 95, /* _ */
    CHAR_LINE_FEED: 10, /* \n */
    CHAR_CARRIAGE_RETURN: 13, /* \r */
    CHAR_TAB: 9, /* \t */
    CHAR_FORM_FEED: 12, /* \f */
    CHAR_EXCLAMATION_MARK: 33, /* ! */
    CHAR_HASH: 35, /* # */
    CHAR_SPACE: 32, /*   */
    CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */
    CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */
    CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */
    CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */
    CHAR_LEFT_ANGLE_BRACKET: 60, /* < */
    CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */
    CHAR_LEFT_CURLY_BRACKET: 123, /* { */
    CHAR_RIGHT_CURLY_BRACKET: 125, /* } */
    CHAR_HYPHEN_MINUS: 45, /* - */
    CHAR_PLUS: 43, /* + */
    CHAR_DOUBLE_QUOTE: 34, /* " */
    CHAR_SINGLE_QUOTE: 39, /* ' */
    CHAR_PERCENT: 37, /* % */
    CHAR_SEMICOLON: 59, /* ; */
    CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */
    CHAR_GRAVE_ACCENT: 96, /* ` */
    CHAR_AT: 64, /* @ */
    CHAR_AMPERSAND: 38, /* & */
    CHAR_EQUAL: 61, /* = */
  
    // Digits
    CHAR_0: 48, /* 0 */
    CHAR_9: 57, /* 9 */
  };
  