func unicode.IsLetter

9 uses

	unicode (current package)
		graphic.go#L90: func IsLetter(r rune) bool {

	bytes
		bytes.go#L739: 	if unicode.IsLetter(r) || unicode.IsDigit(r) {

	encoding/json
		encode.go#L982: 		case !unicode.IsLetter(c) && !unicode.IsDigit(c):

	go/token
		token.go#L335: 		if !unicode.IsLetter(c) && c != '_' && (i == 0 || !unicode.IsDigit(c)) {

	reflect
		type.go#L2338: 	return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= utf8.RuneSelf && unicode.IsLetter(ch)

	regexp
		regexp.go#L986: 		if !unicode.IsLetter(rune) && !unicode.IsDigit(rune) && rune != '_' {

	src.elv.sh/pkg/cli/tk
		codearea.go#L336: 	return unicode.IsLetter(r) || unicode.IsNumber(r)

	src.elv.sh/pkg/eval
		glob.go#L54: 	"letter":  unicode.IsLetter,

	strings
		strings.go#L699: 	if unicode.IsLetter(r) || unicode.IsDigit(r) {