perfetto grazie milleOriginariamente inviato da fcaldera
codice:var montypython = 'Well, there is egg and bacon; egg sausage and bacon; \ egg and spam; egg bacon and spam; egg bacon sausage and spam; \ spam bacon sausage and spam; spam egg spam spam bacon and spam.'; (function(string, re) { var indexesOf = [], i = 0; while((match = re.exec(string)) != null) { indexesOf[i++] = match.index; } alert('Occorrenza trovata ' + i + ' volte.'); if (i > 0) alert('Posizioni : ' + indexesOf ); })(montypython, /spam/ig);![]()