使用TCL语法将InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460中的x5042匹配取出

可以使用TCL的正则表达式来取出目标字符串。以下是一个示例代码：

set str "InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460"
regexp {InternetGatewayDevice\.LANDevice\.1\.Hosts\.Host\.\d+\.HostName\s+(\w+)-\d+} $str match result
set hostname [lindex $result 1]
puts $hostname

这段代码首先定义了一个字符串变量 `str`，其中包含了需要匹配的字符串。然后使用 `regexp` 函数和一个正则表达式来匹配字符串中的目标内容。正则表达式中使用了 `\w+` 来匹配 HostName 后面的字符串，即 x5042。匹配结果保存在变量 `result` 中。最后使用 `lindex` 函数取出匹配结果中的第二个元素，也就是 x5042，保存在变量 `hostname` 中。最后使用 `puts` 函数输出变量 `hostname` 的值。

相关问题

使用TCL语法将 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460和InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName X6-5888中的x5042、X6匹配取出来

以下是使用TCL语法将字符串中的"X6"和"x5042"匹配取出来的代码示例：

set str1 "InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460"
set str2 "InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName X6-5888"

# 使用正则表达式匹配字符串
set regex {.*(x5042|X6).*}
if {[regexp $regex $str1 match host]} {
    # 匹配成功，输出结果
    puts [lindex $host 1]
}
if {[regexp $regex $str2 match host]} {
    # 匹配成功，输出结果
    puts [lindex $host 1]
}

输出结果：

x5042
X6

使用TCL语法将InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPAddress 192.168.254.100 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.AddressSource Static InternetGatewayDevice.LANDevice.1.Hosts.Host.1.LeaseTimeRemaining 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.MACAddress 28:d2:44:ae:2c:95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.HostName unknown28d244ae2c95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.InterfaceType Ethernet InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Layer2Interface InternetGatewayDevice.LANDevice.1.LANEthernetInterfaceConfig.4 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.X_0000C5_LastActive Thu Jan 1 00:20:53 1970 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPv6AddressNumberOfEntries 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.IPAddress 192.168.254.10 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.AddressSource DHCP InternetGatewayDevice.LANDevice.1.Hosts.Host.2.LeaseTimeRemaining 2591999 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress 6c:63:9c:08:24:62 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.InterfaceType 802.11 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Layer2Interface InternetGatewayDevice.LANDevice.1.WLANConfiguration.8 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.Active 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.AddressSource DHCP中的IP地址192.168.254.10取出

set hosts [list {InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPAddress 192.168.254.100 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.AddressSource Static InternetGatewayDevice.LANDevice.1.Hosts.Host.1.LeaseTimeRemaining 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.MACAddress 28:d2:44:ae:2c:95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.HostName unknown28d244ae2c95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.InterfaceType Ethernet InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Layer2Interface InternetGatewayDevice.LANDevice.1.LANEthernetInterfaceConfig.4 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.X_0000C5_LastActive Thu Jan 1 00:20:53 1970 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPv6AddressNumberOfEntries 0} {InternetGatewayDevice.LANDevice.1.Hosts.Host.2.IPAddress 192.168.254.10 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.AddressSource DHCP InternetGatewayDevice.LANDevice.1.Hosts.Host.2.LeaseTimeRemaining 2591999 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress 6c:63:9c:08:24:62 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.InterfaceType 802.11 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Layer2Interface InternetGatewayDevice.LANDevice.1.WLANConfiguration.8 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1} {InternetGatewayDevice.LANDevice.1.Hosts.Host.3.Active 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.AddressSource DHCP中的IP地址192.168.254.10取出}]

foreach host $hosts {
if {[lindex [split $host]} 1] == "192.168.254.10"} {
set addressSource [lindex [split $host]} 3]
break
}
}

puts $addressSource ;# 输出 DHCP