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