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package strings
import (
"strings"
"unicode/utf8"
)
func IndexAnyRunes(s string, rs []rune) int {
for _, r := range rs {
if i := strings.IndexRune(s, r); i != -1 {
return i
}
}
return -1
}
func LastIndexAnyRunes(s string, rs []rune) int {
for _, r := range rs {
i := -1
if 0 <= r && r < utf8.RuneSelf {
i = strings.LastIndexByte(s, byte(r))
} else {
sub := s
for len(sub) > 0 {
j := strings.IndexRune(s, r)
if j == -1 {
break
}
i = j
sub = sub[i+1:]
}
}
if i != -1 {
return i
}
}
return -1
}
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