Doc #62360 [Com]: Five valid PCRE escape sequences not documented

Edit report at https://bugs.php.net/bug.php?id=62360&edit=1

 ID:                 62360
 Comment by:         georgeansds at aol dot com
 Reported by:        danielklein at airpost dot net
 Summary:            Five valid PCRE escape sequences not documented
 Status:             Open
 Type:               Documentation Problem
 Package:            PCRE related
 PHP Version:        Irrelevant
 Block user comment: N
 Private report:     N

 New Comment:

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Previous Comments:
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[2022-12-26 08:37:42] nazi dot farhadi3171 at gmail dot com

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[2021-02-02 05:59:58] jessiesilva1989 at gmail dot com

Perl's regular expressions are described in its own documentation, and regular by starting a pattern string with one of the following five sequences: This escaping action applies whether or not the following character would Such characters are not valid in Unicode strings and so cannot be tested.



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[2018-03-21 13:35:06] [email protected]

Related To: Bug #65890

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[2014-01-04 07:48:03] minktee at hotmail dot com

Document problem

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[2012-08-02 03:50:50] vovan-ve at yandex dot ru

Also recursive (?+n) and (?-n) are undocumented (PHP >= 5.2.4, PCRE >= 7.2). Back references in form \g<n>, \g<-n>, \g'n', \g'-n' (PHP >= 5.2.7, PCRE >= 7.7) are not mentioned.

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