查找空行:^(?([^\r\n])\s)*\r?$\r?\n
查找多餘的空行:^(?([^\r\n])\s)*\r?$\r?\n^(?([^\r\n])\s)*\r?$\r?\n
轉載于:https://www.cnblogs.com/hornet/p/4130470.html
查找空行:^(?([^\r\n])\s)*\r?$\r?\n
查找多餘的空行:^(?([^\r\n])\s)*\r?$\r?\n^(?([^\r\n])\s)*\r?$\r?\n
轉載于:https://www.cnblogs.com/hornet/p/4130470.html