[R] Regular expression help

[Phil Spector]

Ramya -
    Try

> strings = c('UV7C11-F9-E1 MCS#9831019','MCS Lot #9512516')
> sub('^.*?(\\d{5,}).*?$','\\1',strings,perl=TRUE)
[1] "9831019" "9512516"

The regular expression finds the first string of five or 
more numbers in the strings.  Since you said the numbers could
occur anywhere in the string, you could have provided some 
examples where the numbers weren't the last part of the string.

 					- Phil Spector
 					 Statistical Computing Facility
 					 Department of Statistics
 					 UC Berkeley
 					 spector at stat.berkeley.edu


On Mon, 7 Dec 2009, Ramya wrote:

>
> Hi  there
>
> I have a string like this i want to extract 9831019 from this string i used
> a regular expresion \d+ by which i can only make it to see 7 and returns.
> This type of number(9831019)  appears in any part of the string and is
> definitely more than 5 digits all the time and i want to give that as a
> condition
>
> UV7C11-F9-E1 MCS#9831019
> MCS Lot #9512516"
>
>
> how do i go abt it
>
> Ramya
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