isSymbol | R Documentation |
Checks whether a character is a symbol, a special character.
isSymbol(ch)
ch |
character to be checked |
These characters are considered as symbols:
'!' , '%' , '&' , '$' , '#' , '+' , '-' , '/' , ':' , '<' , '=' , '>' , '?' , '@' , '\' , '~' , '^' , '|' , '*'
TRUE/FALSE, depending on character being a symbol.
isSymbol('+') isSymbol('A') isSymbol('a') isSymbol('9')
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