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Bug #33896 limited replacement parameter on ereg_replace function
Submitted: 2005-07-28 00:39 UTC Modified: 2005-07-28 10:06 UTC
From: wfernandom2004 at yahoo dot com dot br Assigned:
Status: Not a bug Package: Regexps related
PHP Version: 4.4.0 OS: Linux, Ubuntu
Private report: No CVE-ID: None
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From: wfernandom2004 at yahoo dot com dot br
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 [2005-07-28 00:39 UTC] wfernandom2004 at yahoo dot com dot br
It is impossible put in the replacement parameter, on ereg_replace function, one literal text of this format: \digit, e.g, \1, because the substrings replacements have preference.

It, for me, is interesting when preparing string substituitions previously, with the ereg_replace function.

Reproduce code:
echo ereg_replace("a", "\\\\0", "bbabb");

Expected result:

Actual result:


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 [2005-07-28 10:06 UTC]
Sorry, but your problem does not imply a bug in PHP itself.  For a
list of more appropriate places to ask for help using PHP, please
visit as this bug system is not the
appropriate forum for asking support questions.  Due to the volume
of reports we can not explain in detail here why your report is not
a bug.  The support channels will be able to provide an explanation
for you.

Thank you for your interest in PHP.

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