func unicode.IsDigit

7 uses

	unicode (current package)
		digit.go#L8: func IsDigit(r rune) bool {

	bytes
		bytes.go#L765: 	if unicode.IsLetter(r) || unicode.IsDigit(r) {

	encoding/json
		encode.go#L925: 		case !unicode.IsLetter(c) && !unicode.IsDigit(c):

	net/http
		pattern.go#L192: 		if !unicode.IsLetter(c) && c != '_' && (i == 0 || !unicode.IsDigit(c)) {

	reflect
		type.go#L2289: 		if !(isLetter(c) || unicode.IsDigit(c)) {

	regexp
		regexp.go#L987: 		if !unicode.IsLetter(rune) && !unicode.IsDigit(rune) && rune != '_' {

	strings
		strings.go#L802: 	if unicode.IsLetter(r) || unicode.IsDigit(r) {

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