Shamazing

package shamazing
import (
   "regexp"
   "strconv"
)

// FindLongestString will retrieve a string like a SHA1, MD5 or whatever
// and return the longest string (first one)
func FindLongestString(str string) string {
   var re = regexp.MustCompile("[a-zA-Z]+")
   var values = re.FindAll([]byte(str), -1)
   return string(findLongest(values))
}
// FindLongestInteger will retrieve a string like a SHA1, MD5 or whatever
// and return longest integer (first one)
func FindLongestInteger(str string) (int64, error) {
   var re = regexp.MustCompile("[0-9]+")
   var values = re.FindAll([]byte(str), -1)
   var max = findLongest(values)
   var a, err = strconv.Atoi(string(max))
   if err != nil {
      return 0, err
   }
   return int64(a), nil
}
func findLongest(values [][]byte) []byte {
   var max []byte
   for _, value := range values {
      if len(value) > len(max) {
         max = value
      }
   }
   return max
}