[R] matching strings in a list

[John McKown]

On Thu, Jul 16, 2015 at 1:00 PM, John McKown <john.archie.mckown at gmail.com>
wrote:

> On Thu, Jul 16, 2015 at 12:40 PM, tryingtolearn <inshique at ymail.com>
> wrote:
>
>> Say I have a list:
>> [[1]] "I like google"
>> [[2]] "Hi Google google"
>> [[3]] "what's up"
>>
>> and they are tweets. And I want to find out how many tweets mention google
>> (the answer should be 2).
>> If I string split and unlist them, then I would get the answer of 3. How
>> do
>> I make sure I get just 2?
>>
>
> ​NROW(grep("google",list,ignore.case=TRUE))​
>

​Or

sum(grepl("google",x,ignore.case=TRUE))

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Maranatha! <><
John McKown

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