[R] Help with complicated regular expression

Dennis Fisher fisher at plessthan.com
Fri Nov 13 15:12:35 CET 2009


Colleagues,

I am using R (2.9.2, all platforms) to search for a complicated text  
string using regular expressions.  I would appreciate any help you can  
provide.
The string consists of the following elements:
	SOMEWORDWITHNOSPACES
	any number of spaces and/or tabs
	(
	any number of spaces and/or tabs
	integer
	any number of spaces and/or tabs
	)

Examples include:
	WORD (  123    )
	WORD(1 )
	WORD\t ( 21\t)
	WORD \t ( 1 \t   )
etc.

I don't need to substitute anything, only to identify if such a string  
exists.
Any help with regular expressions would be appreciated.
Thanks.

Dennis

		

Dennis Fisher MD
P < (The "P Less Than" Company)
Phone: 1-866-PLessThan (1-866-753-7784)
Fax: 1-866-PLessThan (1-866-753-7784)
www.PLessThan.com




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