Possible Duplicate:
regex replace all ignore case




如何获得所需的输出？

输入字符串-

"Software Industry. software Industry. SOFTWARE INDUSTRY. software industry. "

要搜索的单词-

"software industry"

输出-

"*Software Industry*. *software Industry*. *SOFTWARE INDUSTRY*. *software industry*. "

简而言之，我必须找到一个短语并将相同的短语替换为开头和结尾的星号（*），忽略案例..

您可以将replaceAll与(?i)一起使用，这将替换case-insensitive。

String str = "Software Industry. software Industry. SOFTWARE INDUSTRY. "+
                                                    "software industry. "
str = str.replaceAll("(?i)(software industry)", "\\*$1\\*");