#42411 [Bgs]: clarification why not using PCRE.

ID: 42411 User updated by: axelm-php at nona dot net -Summary: ".*" pattern triggers doubled output Reported By: axelm-php at nona dot net Status: Bogus Bug Type: Regexps related Operating System: Debian/GNU Linux PHP Version: 5.2.3 New Comment: Hm.. other regex implementations don't repeat the text. Well, i don't have any interest in breaking a fight here.. With regards to PCRE - there are applications which don't allow the use of the additional Perl functionality, but require plain POSIX regex. The application i use it for is ENUM (RFC3761). Thanks anyway for looking at this. Previous Comments: ------------------------------------------------------------------------ [2007-08-24 12:04:34] jani@php.net Expected behaviour. And you should really use PCRE functions instead. ------------------------------------------------------------------------ [2007-08-24 11:54:23] axelm-php at nona dot net Description: ------------ The function ereg_replace() "duplicates" the replacement string when the match string is ".*". Example: - input "BLABLA" - match ".*" - replace "TEST" Output is "TESTTEST", although it would be expected to be "TEST". Reproduce code: --------------- <? $source = "BLABLA"; $match = ".*"; $replace = "TEST"; print ereg_replace($match, $replace, $source); print "\n"; ?> Expected result: ---------------- only a single "TEST" (as this is the case with sed, too), because i expect ".*" to have maximum greediness. Actual result: -------------- see example code. produces "TESTTEST". This happens in all PHP versions i have access to (older PHP4, current PHP4 and PHP5). Using "^.*" as match, or ".+" works as expected. ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=42411&edit=1