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.. -*- mode: rst -*-
================
Available lexers
================
This page lists all available builtin lexers and the options they take.
Currently, **all lexers** support these options:
`stripnl`
Strip leading and trailing newlines from the input (default: ``True``)
`stripall`
Strip all leading and trailing whitespace from the input (default:
``False``).
`ensurenl`
Make sure that the input ends with a newline (default: ``True``). This
is required for some lexers that consume input linewise.
.. versionadded:: 1.3
`tabsize`
If given and greater than 0, expand tabs in the input (default: ``0``).
`encoding`
If given, must be an encoding name (such as ``"utf-8"``). This encoding
will be used to convert the input string to Unicode (if it is not already
a Unicode string). The default is ``"guess"``.
If this option is set to ``"guess"``, a simple UTF-8 vs. Latin-1
detection is used, if it is set to ``"chardet"``, the
`chardet library <https://chardet.github.io/>`_ is used to
guess the encoding of the input.
.. versionadded:: 0.6
The "Short Names" field lists the identifiers that can be used with the
`get_lexer_by_name()` function.
These lexers are builtin and can be imported from `pygments.lexers`:
.. pygmentsdoc:: lexers
Iterating over all lexers
-------------------------
.. versionadded:: 0.6
To get all lexers (both the builtin and the plugin ones), you can
use the `get_all_lexers()` function from the `pygments.lexers`
module:
.. sourcecode:: pycon
>>> from pygments.lexers import get_all_lexers
>>> i = get_all_lexers()
>>> i.next()
('Diff', ('diff',), ('*.diff', '*.patch'), ('text/x-diff', 'text/x-patch'))
>>> i.next()
('Delphi', ('delphi', 'objectpascal', 'pas', 'pascal'), ('*.pas',), ('text/x-pascal',))
>>> i.next()
('XML+Ruby', ('xml+erb', 'xml+ruby'), (), ())
As you can see, the return value is an iterator which yields tuples
in the form ``(name, aliases, filetypes, mimetypes)``.
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