func strings.IndexRune

10 uses

	strings (current package)
		strings.go#L72: 	return IndexRune(s, r) >= 0
		strings.go#L121: func IndexRune(s string, r rune) int {
		strings.go#L152: 		return IndexRune(s, r)
		strings.go#L165: 		if IndexRune(chars, c) >= 0 {
		strings.go#L185: 		if IndexRune(chars, rc) >= 0 {
		strings.go#L217: 		if IndexRune(chars, r) >= 0 {

	github.com/aws/smithy-go/encoding/httpbinding
		uri.go#L98: 	queryStart := strings.IndexRune(uri, '?')

	golang.org/x/tools/go/packages
		golist.go#L985: 			msg = msg[strings.IndexRune(msg, '\n')+1:]

	regexp/syntax
		parse.go#L1023: 		end := strings.IndexRune(t, '>')
		parse.go#L1537: 		end := strings.IndexRune(s, '}')