longestConsecutive        package:Biostrings        R Documentation

Obtain the length of the longest substring containing
only 'letter'

Description:

     This function accepts a character vector and computes the length
     of the longest substring containing only 'letter' for each element
     of 'x'.

Usage:

     longestConsecutive(seq, letter) 

Arguments:

     seq: Character vector.

  letter: Character vector of length 1, containing one single
          character.

Details:

     The elements of 'x' can be in upper case, lower case or mixed. NAs
     are handled.

Value:

     An integer vector of the same length as 'x'.

Author(s):

     W. Huber

See Also:

     'complementSeq','basecontent','reverseSeq'

Examples:

      v = c("AAACTGTGFG", "GGGAATT", "CCAAAAAAAAAATT")
      longestConsecutive(v, "A")

