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(mc_search__cond_struct_new_regex_ci_str): add documentation.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
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Mooffie 2016-12-01 16:14:27 +02:00 committed by Andrew Borodin
parent d078ae4713
commit c0abaa6508
1 changed files with 13 additions and 0 deletions
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13
lib/search/regex.c
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@ -195,6 +195,19 @@ mc_search__cond_struct_new_regex_accum_append (const char *charset, GString * st
/* --------------------------------------------------------------------------------------------- */
/**
* Creates a case-insensitive version of a regex pattern.
*
* For example (assuming ASCII charset): given "\\bHello!\\xAB", returns
* "\\b[Hh][Ee][Ll][Ll][Oo]!\\xAB" (this example is for easier reading; in
* reality hex codes are used instead of letters).
*
* This function knows not to ruin special regex symbols.
*
* This function is used when working with non-UTF-8 charsets: GLib's
* regex engine doesn't understand such charsets and therefore can't do
* this job itself.
*/
static GString *
mc_search__cond_struct_new_regex_ci_str (const char *charset, const GString * astr)
{