regex - 如何使用powershell编写正则表达式以仅替换tnsnames.ora中的HOST名称

Question

(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1521))(CONNECT_DATA = (SERVICE_NAME = ora)))

我想使用 powershell 将主机名称替换为新值，谢谢

标签： regexpowershelltnsnames

Answer 1

使用-replace运算符：

$str = '(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1521))(CONNECT_DATA = (SERVICE_NAME = ora)))'

$str -replace '(?<=\(HOST = )[^)]+', 'newhost'