#48 Filters by regexp

[Mitraotor]

Good day.

Thank you for aspell's developing!

Spellchecking of some special file formats is hard to
novices. Let's view on PHP file:
---<BOF>---
<?
php_code_to_ignore;
// Comment to spellcheck (1)
echo "Literal to spellcheck (2)";
?>
<html_tag attrib="Value to spellcheck (3)">Text to
spellcheck (4)
... and so on ...
---<EOF>---
How to spellcheck regions (1)-(4) selectively in any
combinations? E.g. PHP comments and HTML text? Or
ignore PHP code completely?

I've failed to force exclude PHP by:
---<BOF>---
MODE php
FILTER context
OPTION clear-context-delimiters
OPTION add-context-delimiters <? ?>
OPTION add-context-delimiters " "
OPTION disable-context-visible-first
---<EOF>---

It would be great aspell woulda allows filters
configuration via regexp.

And following filter options are highly desirable:
- allowed context (e.g. "<? ?>" = only in PHP)
- disallowed context (e.g. "<? ?>" = exclude PHP)
- allowed chars (e.g. to check latin only)
- disallowed chars (e.g. to ignore latin)
- allowed word patterns
- disallowed word patterns (e.g. to ignore hex numbers)
- pre-spelling string/regex replaces (e.g. to
reconstruct hyphenated words)

My apologies, if any of this has been already
implemented, but filter options aren't documented
enough.

[Kevin Atkinson]

This issue has moved to GitHub: https://github.com/GNUAspell/aspell/issues/372