Ok, effectivement ça va mieux mais a qoui ça sert : $chaine =
"1234567890azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSD
FGHJKLMWXCVBN1234567890azertyuiopqsdfghjklmwxcvbnA
ZERTYUIOPQSDFGHJKLMWXCVBN1234567890azertyuiopqsdfg
hjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN1234567890aze
rtyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN1
234567890azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFG
HJKLMWXCVBN1234567890azertyuiopqsdfghjklmwxcvbnAZE
RTYUIOPQSDFGHJKLMWXCVBN1234567890azertyuiopqsdfghj
klmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN1234567890azert
yuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN123
4567890azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJ
KLMWXCVBN1234567890azertyuiopqsdfghjklmwxcvbnAZERT
YUIOPQSDFGHJKLMWXCVBN"; ? ?