[R] Removing numbers from a list

[vioravis]

I am using gsub to remove numbers for each element of a list. Code is given
below.

  testList <- list("this contains a number 1000","this does not contain")
  removeNumbers <- function(X)
  {
    gsub("\\d","",X) 
  }
  outputList <- lapply(testList,removeNumbers)

However, when I try to find the number of words in outputList as follows

  outLength <- lapply(strsplit(outputList," "),length)

it throws out the following error:

  Error in strsplit(outputList, " ") : non-character argument


Can someone help me with this? 

Thank you.

Ravi

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