Returns whether the specified character is a letter or a digit.
Syntax
isLetterOrDigit( character )
character.isLetterOrDigit( )
Parameters
character
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the character to check.
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Returns
boolean
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true if it is a letter or a digit, [ A .. Z | a .. z | 0 .. 9 ].
false if it is not a letter nor a digit.
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Example
if c.isLetterOrDigit( ) then
break
end
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