考虑以下字符串:Heorderedapizzawithanchovies.Unfortunately,itwasn'tthethinghewanted.Besides,pizzawithmushroom,pepperoniandanchoviesismuchbetterthanthenormalpizzawithanchovies.假设您需要将pizzawith(ingredients)更改为pizzawith(ingredients)onathincrust。为此，我设置了一个正则表达式:(?i:pizzawith[a-zA-Z,\s]*?anchovies)这会捕获三个匹配项。然后