Makes sense. Thanks!
On Thursday, December 3, 2015 at 1:06:16 PM UTC-8, Stefan Karpinski wrote: > > There's an obvious predicate implied by a Regex: does it match a string? > What's the obvious predicate for a string? Checking whether it is contained > in another string is one option but that's pretty arbitrary. You could just > as well check for containment the other way. Or prefix, or suffix, etc. > > On Thu, Dec 3, 2015 at 4:01 PM, Seth <catc...@bromberger.com <javascript:> > > wrote: > >> That's really elegant. Is there a reason filter() is defined for regex >> strings but not ASCIIStrings? >> >> On Thursday, December 3, 2015 at 12:55:50 PM UTC-8, Stefan Karpinski >> wrote: >>> >>> You can just pass a Regex object to filter: >>> >>> filter(r"a.*b.*c"i, map(chomp,open(readlines,"/usr/share/dict/words"))) >>> >>> This gives all dictionary words containing "a", "b" and "c" in order but >>> not contiguous. >>> >>> On Thu, Dec 3, 2015 at 3:29 PM, David P. Sanders <dpsa...@gmail.com> >>> wrote: >>> >>>> >>>> >>>> El jueves, 3 de diciembre de 2015, 13:54:01 (UTC-6), Erik Schnetter >>>> escribió: >>>>> >>>>> You are looking for `filter`: >>>>> >>>>> filter(line->match(r"parameter", line), rLines) >>>>> >>>> >>>> Apparently this needs to be >>>> >>>> filter(line->ismatch(r"3", line) != nothing, rLines) >>>> >>>> (replace "match" with "ismatch" to get a Boolean expression instead of >>>> a RegexMatch object). >>>> >>>> >>>>> >>>>> -erik >>>>> >>>>> On Thu, Dec 3, 2015 at 2:52 PM, Jason McConochie < >>>>> jason.mc...@gmail.com> wrote: >>>>> >>>>>> Is there grep for an Array of AbstractStrings? See code below >>>>>> >>>>>> >>>>>> # A. Read a file into memory (nLines pre-determined) >>>>>> >>>>>> fID=open(fName) >>>>>> >>>>>> iLine=0; >>>>>> >>>>>> rLines=Array(ASCIIString,nLines); >>>>>> >>>>>> while !eof(fID) >>>>>> >>>>>> iLine+=1 >>>>>> >>>>>> rLines[iLine]=readline(fID) >>>>>> >>>>>> end >>>>>> >>>>>> >>>>>> # B. Find all strings in rLines with "parameter" >>>>>> >>>>>> ???? Is something like this possible? >>>>>> >>>>>> indices=grep(rLines,r"parameter") >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Erik Schnetter <schn...@gmail.com> >>>>> http://www.perimeterinstitute.ca/personal/eschnetter/ >>>>> >>>> >>> >
