isalnum()

    
Also See:   fisdir isalpha isascii iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit max min miva_variable_type miva_variable_value sisdir

Report a language bug  |  Report a documentation error
Test if all characters are either alphabetic or digits
Syntax 
isalnum( string )
Returns 1 if true, 0 if false
  • string = the characters tested
+ Add a note
User Annotations: isalnum