nodejs/lib/internal/constants.js

'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_COLON: 58, /* : */
  CHAR_QUESTION_MARK: 63, /* ? */
  CHAR_UNDERSCORE: 95, /* _ */
  CHAR_LINE_FEED: 10, /* \n */
  CHAR_CARRIAGE_RETURN: 13, /* \r */
  CHAR_EXCLAMATION_MARK: 33, /* ! */
  CHAR_HASH: 35, /* # */

  // Digits
  CHAR_0: 48, /* 0 */
  CHAR_9: 57, /* 9 */
};