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According to Boost's source code, \g and \k backreferences are synonymous. This edit removes any ambiguity that may remain in the reader's mind regarding when to use one or the other.
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If you must clarify these, then do it as a subpoint to the already existing bullet point, don't put your "caveat" before those symbols are defined. |
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Aug 17, 2026
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| * `(?<name>`_subset_`)` or `(?'name'`_subset_`)` ⇒ _Named Capture Group_: Names the value matched by _subset_ as the group _name_. Please note that group names are case-sensitive. | ||
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| * `\g` and `\k` are functionally synonymous prefixes for _extended backreferences._ There is no semantic difference in Boost's implementation. They coexist for syntax-compatibility/historical reasons. |
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Needs to be moved down... I would say move it after the For negative ℕ a few paragraphs down, and make it have the same indentation as that note.
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Updated. Please let me know if I misunderstood your placement request.
Removed redundant explanation of backreference prefixes and clarified their usage in the context of regex.
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According to Boost's source code,
\gand\kbackreferences are synonymous. This edit removes any ambiguity that may remain in the reader's mind regarding when to use one or the other.Fixes #896