[Résolu] Conception d'une regex

[niahoo]

du coup on peut virer les $

Code :

preg_replace('/(?=\B)eu(?=\B)/', 'xx' …

mais c'était pas si "easy"

Code :

php -a
Interactive shell

php > echo preg_replace('#^.+(eu).+$#', 'xx', 'euheuheu');
xx
php > echo preg_replace('#^.+(eu).+$#uG', 'xx', 'euheuheu');

Warning: preg_replace(): Unknown modifier 'G' in php shell code on line 1
php > echo preg_replace('#^.+(eu).+$#u', 'xx', 'euheuheu');
xx
php > echo preg_replace('#^(.+)(eu)(.+)$#u', '$1xx$3', 'euheuheu');
euhxxheu
php > echo preg_replace('#^(.+)(eu)(.+)$#u', '$1xx$3', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('#(.+)(eu)(.+)#u', '$1xx$3', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('#.+(eu).+#u', '$1xx$3', 'euheukeuheu');
euxx
php > echo preg_replace('#(.+)(eu)(.+)#u', '$1xx$3', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('#(.+)(eu)(.+)#u', 'xx', 'euheukeuheu');
xx
php > echo preg_replace('/eu/u', 'xx', 'euheukeuheu');
xxhxxkxxhxx
php > echo preg_replace('/(.+)eu(.+)/u', '$1xx$2', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('/(.+)eu(.+)/m', '$1xx$2', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('/(.+)eu(.+)/msi', '$1xx$2', 'euheukeuheu');
euheukxxheu
php > echo preg_replace('/(.+)eu(.+)/msiUM', '$1xx$2', 'euheukeuheu');

Warning: preg_replace(): Unknown modifier 'M' in php shell code on line 1
php > echo preg_replace('/eu/msiU', '$1xx$2', 'euheukeuheu');
xxhxxkxxhxx
php > echo preg_replace('/eu/B', '$1xx$2', 'euheukeuheu');

Warning: preg_replace(): Unknown modifier 'B' in php shell code on line 1
php > echo preg_replace('/eu/b', '$1xx$2', 'euheukeuheu');

Warning: preg_replace(): Unknown modifier 'b' in php shell code on line 1
php > echo preg_replace('/eu//b', '$1xx$2', 'euheukeuheu');

Warning: preg_replace(): Unknown modifier '/' in php shell code on line 1
php > echo preg_replace('/eu(?=\B)/', '$1xx$2', 'euheukeuheu');
xxhxxkxxheu
php > echo preg_replace('/(?!\B)eu(?=\B)/', '$1xx$2', 'euheukeuheu');
xxheukeuheu
php > echo preg_replace('/(?=\B)eu(?=\B)/', '$1xx$2', 'euheukeuheu');
euhxxkxxheu
php > echo preg_replace('/(?=\B)eu(?=\B)/', 'xx', 'euheukeuheu');
euhxxkxxheu
php > echo preg_replace('/(?=\B)eu(?=\B)/', 'xx', ' qzdq qzdkkkqdz jk euheukeuheu qzdd   ,qzdueuiqsefioquioeruioqefj< eqeriuei');
qzdq qzdkkkqdz jk euhxxkxxheu qzdd   ,qzduxxiqsefioquioeruioqefj< eqeriuei
php >