Ctype


Ctype函数列表

  • ctype_alnum - Check for alphanumeric character(s)
  • ctype_alpha - Check for alphabetic character(s)
  • ctype_cntrl - Check for control character(s)
  • ctype_digit - Check for numeric character(s)
  • ctype_graph - Check for any printable character(s) except space
  • ctype_lower - Check for lowercase character(s)
  • ctype_print - Check for printable character(s)
  • ctype_punct - Check for any printable character which is not whitespace or an alphanumeric character
  • ctype_space - Check for whitespace character(s)
  • ctype_upper - Check for uppercase character(s)
  • ctype_xdigit - Check for character(s) representing a hexadecimal digit

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