Пространство имен Bitrix\Main\Text

Классы
class	Base32
class	BinaryString
class	Converter
class	DateConverter
class	DateConverterResult
class	Diff
class	Emoji
class	EmptyConverter
class	Encoding
class	GeoHash
class	HtmlConverter
class	HtmlFilter
class	JsExpression
class	StringHelper
class	UtfConverter
class	UtfSafeString
class	XmlConverter