Examples using... "unicode/utf8"

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ValidString in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.ValidString fmt
ValidString reports whether s consists entirely of valid UTF-8-encoded runes.
ValidRune in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.ValidRune fmt
ValidRune reports whether r can be legally encoded as UTF-8. Code points that are out of range or a surrogate half are illegal.
Valid in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.Valid fmt
Valid reports whether p consists entirely of valid UTF-8-encoded runes.
RuneStart in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.RuneStart fmt
RuneStart reports whether the byte could be the first byte of an encoded, possibly invalid rune. Second and subsequent bytes always have the top two bits set to 10.
RuneLen in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.RuneLen fmt
RuneLen returns the number of bytes required to encode the rune. It returns -1 if the rune is not a valid value to encode in UTF-8.
RuneCountInString in Go
by GoDoc Go unicode/utf8 fmt.Println fmt utf8.RuneCountInString
RuneCountInString is like RuneCount but its input is a string.
RuneCount in Go
by GoDoc Go unicode/utf8 fmt.Println fmt utf8.RuneCount
RuneCount returns the number of runes in p. Erroneous and short encodings are treated as single runes of width 1 byte.
FullRuneInString in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.FullRuneInString fmt
FullRuneInString is like FullRune but its input is a string.
FullRune in Go
by GoDoc Go unicode/utf8 fmt.Println utf8.FullRune fmt
FullRune reports whether the bytes in p begin with a full UTF-8 encoding of a rune. An invalid encoding is considered a full Rune since it will convert as a width-1 error rune.
EncodeRune in Go
by GoDoc Go unicode/utf8 fmt.Println fmt utf8.EncodeRune
EncodeRune writes into p (which must be large enough) the UTF-8 encoding of the rune. It returns the number of bytes written.
DecodeRuneInString in Go
by GoDoc Go unicode/utf8 fmt fmt.Printf utf8.DecodeRuneInString
DecodeRuneInString is like DecodeRune but its input is a string. If s is empty it returns (RuneError, 0). Otherwise, if the encoding is invalid, it returns (RuneError, 1). Both are impossible results for correct, non-empty UTF-8.
DecodeRune in Go
by GoDoc Go unicode/utf8 fmt fmt.Printf utf8.DecodeRune
DecodeRune unpacks the first UTF-8 encoding in p and returns the rune and its width in bytes. If p is empty it returns (RuneError, 0). Otherwise, if the encoding is invalid, it returns (RuneError, 1). Both are impossible results for correct, non-empty UTF-8.
DecodeLastRuneInString in Go
by GoDoc Go unicode/utf8 fmt fmt.Printf utf8.DecodeLastRuneInString
DecodeLastRuneInString is like DecodeLastRune but its input is a string. If s is empty it returns (RuneError, 0). Otherwise, if the encoding is invalid, it returns (RuneError, 1). Both are impossible results for correct, non-empty UTF-8.
DecodeLastRune in Go
by GoDoc Go unicode/utf8 fmt fmt.Printf utf8.DecodeLastRune
DecodeLastRune unpacks the last UTF-8 encoding in p and returns the rune and its width in bytes. If p is empty it returns (RuneError, 0). Otherwise, if the encoding is invalid, it returns (RuneError, 1). Both are impossible results for correct, non-empty UTF-8.