The text package
An efficient packed, immutable Unicode text type (both strict and lazy), with a powerful loop fusion optimization framework.
Text type represents Unicode character strings, in a time and
space-efficient manner. This package provides text processing
capabilities that are optimized for performance critical use, both
in terms of large data quantities and high speed.
Text type provides character-encoding, type-safe case
conversion via whole-string case conversion functions. It also
provides a range of functions for converting
Text values to and from
ByteStrings, using several standard encodings.
Efficient locale-sensitive support for text IO is also supported.
These modules are intended to be imported qualified, to avoid name clashes with Prelude functions, e.g.
import qualified Data.Text as T
To use an extended and very rich family of functions for working
with Unicode text (including normalization, regular expressions,
non-standard encodings, text breaking, and locales), see
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