Why you need a double backslash is alluded
to in Circle 8.1.23 of 'The R Inferno'.
http://www.burns-stat.com/pages/Tutor/R_inferno.pdf
Pat
On 22/04/2012 10:18, Giuseppe Marinelli wrote:
In data martedì 10 aprile 2012 13:34:13, Nevil Amos ha scritto:
How do I remove a "$" character from a string sub() and gsub() with "$" or
"\$" as pattern do not work.
sub("$","","ABC$DEF")
[1] "ABC$DEF"
sub("\$","","ABC$DEF")
Error: '\$' is an unrecognized escape in character string starting "\$"
sub(\$,"","ABC$DEF")
Error: unexpected input in "sub(\"
Thanks
You just need a double backslash:
sub("\\$","","ABC$DEF")
[1] "ABCDEF"
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Patrick Burns
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