stringext

func Capitalize ¶

func Capitalize(text string) string

func IsValidBase64 ¶

func IsValidBase64(s string) bool

IsValidBase64 reports whether s is canonical base64 under standard encoding (RFC 4648). It requires that s round-trips through decode/encode unchanged — rejecting whitespace, missing padding, and other leniencies that DecodeString alone would accept.

func NormalizeSpace ¶

func NormalizeSpace(content string) string

NormalizeSpace normalizes whitespace in the given content string. It replaces Windows-style line endings with Unix-style line endings, converts tabs to four spaces, and trims leading and trailing whitespace.