Module pom::char_class

Utility functions to recognize char class of byte value.

Functions

• alpha
  Recognises an alphabetic character, a-zA-Z.
• alpha_lowercase
  Recognises an alphabetic character, a-z.
• alpha_uppercase
  Recognises an alphabetic character, A-Z.
• alphanum
  Recognises an alphanumeric character, a-zA-Z0-9.
• digit
  Recognises a decimal digit, 0-9.
• hex_digit
  Recognises a hexadecimal digit, 0-9a-fA-F.
• multispace
  Recognises a space, tab, line feed, or carriage return.
• oct_digit
  Recognises an octal digit, 0-7.
• space
  Recognises a space or tab.