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假設我有以下的輸出:的Tcl:匹配字符串僅當後跟一個數字[正則表達式]
Loopback1 is up, line protocol is up
Hardware is Loopback
Description: ** NA4-ISIS-MGMT-LOOPBACK1_MPLS **
Internet address is 84.116.226.27/32
MTU 1514 bytes, BW 8000000 Kbit, DLY 5000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation LOOPBACK, loopback not set
Keepalive set (10 sec)
Last input 12w3d, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/0 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
6 packets output, 456 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
我如何能匹配「Loopback1接口」,而不是「回」? 換句話說,只有在Tcl旁邊有一個數字時,我如何才能匹配接口名稱?
謝謝Pogo :)我感興趣的只是找到模式,不匹配的數字,所以第一應該是好的,你介意簡要地解釋什麼「? =「呢? – user690182
?=預測特定模式。在迴環匹配之後的In/Loopback(?= \ d +)/之後,它展望未來找到\ d +。如果找到\ d +,則Loopback是匹配的,否則不匹配。 – pogo
Pogo,你知道LookAhead是否比Tcl.v8更早版本? – user690182