determine if a character is valid in an unquoted Maple identifier
determine if a character is valid as the first character of an unquoted Maple identifier
string; character to test
The IsIdentifier(char) command determines whether char is valid as a character in an unquoted Maple identifier.
If char is a valid character, IsIdentifier returns true. Otherwise, false is returned.
The IsIdentifier1(char) command determines whether char is valid as the first character of an unquoted Maple identifier.
If char is valid as the first character, IsIdentifier1 returns true. Otherwise, false is returned.
For these functions, if char is a string that contains more than one character, then all the characters in the string are tested. The commands returns true if the condition is true of all characters in the input string. For the empty string, the tested condition is vacuously true.
The StringTools[IsIdentifier] command is thread-safe as of Maple 15.
For more information on thread safety, see index/threadsafe.
s ≔ convert⁡`$`⁡1..255,'bytes':
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