in processors/dissect/trim.go [61:71]
func (t asciiTrimmer) Trim(s string, start, end int) (int, int) {
if t.left {
for ; start < end && s[start] < asciiLimit && t.chars[s[start]] != 0; start++ {
}
}
if t.right {
for ; start < end && s[end-1] < asciiLimit && t.chars[s[end-1]] != 0; end-- {
}
}
return start, end
}