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StringTools

  

HasAlphaNumeric

  

determine if a string has either alphabetic or decimal digit characters

 

Calling Sequence

Parameters

Description

Thread Safety

Examples

Calling Sequence

HasAlphaNumeric(s)

Parameters

s

-

string; string to test

Description

• 

The HasAlphaNumeric(s) command determines whether s has alphanumeric characters. That is, whether it has either alphabetic or decimal digit characters. A character is alphabetic if it is either upper or lowercase. A character is a decimal digit if it is one of the following:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

  

If s has at least one alphanumeric character, HasAlphaNumeric returns true. Otherwise, false is returned.

Thread Safety

• 

The StringTools[HasAlphaNumeric] command is thread-safe as of Maple 15.

• 

For more information on thread safety, see index/threadsafe.

Examples

withStringTools:

sRandom30,;:,#%&

s,%;&,&&,:%#,##:,:#%::%%#%:;;

(1)

HasAlphaNumerics

false

(2)

sRandom30,;:,123abc&

s1,23cbaac3b:c111;:bb122,b;c&

(3)

HasAlphaNumerics

true

(4)

HasAlphaNumericRandom1000

true

(5)

See Also

convert

length

string

StringTools

StringTools[HasAlpha]

StringTools[HasDigit]

StringTools[HasLower]

StringTools[HasUpper]

StringTools[IsAlphaNumeric]

StringTools[Select]