hello all i know matchPattern can match a string to XString, XStringViews or MaskedXString object but not allow regular expression do you know which function can support regular expression match thx -- shan gao Room 231(Dr.Fei lab) Boyce Thompson Institute Cornell University Tower Road, Ithaca, NY 14853-1801 Office phone: 1-607-254-1267(day) Official email:sg839@cornell.edu Facebook:http://www.facebook.com/profile.php?id=100001986532253 [[alternative HTML version deleted]]

Perhaps gregexpr or one of these, found with help.search("regex"): Biostrings::gregexpr2 A replacement for R standard gregexpr function base::grep Pattern Matching and Replacement base::regex Regular Expressions as used in R base::.standard_regexps Miscellaneous Internal/Programming Utilities utils::aregexec Approximate String Match Positions On Dec 6, 2011, at 5:31 PM, wang peter wrote: > hello all > i know matchPattern can match a string to XString, XStringViews or > MaskedXString object > but not allow regular expression > do you know which function can support regular expression match > thx > > -- > shan gao > Room 231(Dr.Fei lab) > Boyce Thompson Institute > Cornell University > Tower Road, Ithaca, NY 14853-1801 > Office phone: 1-607-254-1267(day) > Official email:sg839 at cornell.edu > Facebook:http://www.facebook.com/profile.php?id=100001986532253 > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at r-project.org > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/ > gmane.science.biology.informatics.conductor