您需要通过添加“?”使您的
group 7
可选。使用以下正则表达式:
"^(\S+) (\S+) (\S+) \[([\w:/]+\s[+\-]\d{4})\] (\S+) (\S+)\s*(\S+)?\s* (\d{3}) (\S+)"
↑
请查看
演示
输出:
[
[
{
"content": "127.0.0.1 - - [01/Jul/1995:00:00:01 -0400] \"GET /images/launch-logo.gif HTTP/1.0\" 200 1839",
"isParticipating": true,
"groupNum": 0,
"startPos": 0,
"endPos": 90
},
{
"content": "127.0.0.1",
"isParticipating": true,
"groupNum": 1,
"startPos": 0,
"endPos": 9
},
{
"content": "-",
"isParticipating": true,
"groupNum": 2,
"startPos": 10,
"endPos": 11
},
{
"content": "-",
"isParticipating": true,
"groupNum": 3,
"startPos": 12,
"endPos": 13
},
{
"content": "01/Jul/1995:00:00:01 -0400",
"isParticipating": true,
"groupNum": 4,
"startPos": 15,
"endPos": 41
},
{
"content": "\"GET",
"isParticipating": true,
"groupNum": 5,
"startPos": 43,
"endPos": 47
},
{
"content": "/images/launch-logo.gif",
"isParticipating": true,
"groupNum": 6,
"startPos": 48,
"endPos": 71
},
{
"content": "HTTP/1.0\"",
"isParticipating": true,
"groupNum": 7,
"startPos": 72,
"endPos": 81
},
{
"content": "200",
"isParticipating": true,
"groupNum": 8,
"startPos": 82,
"endPos": 85
},
{
"content": "1839",
"isParticipating": true,
"groupNum": 9,
"startPos": 86,
"endPos": 90
}
],
[
{
"content": "127.0.0.1 - - [01/Jul/1995:00:00:01 -0400] \"GET /\" 200 1839",
"isParticipating": true,
"groupNum": 0,
"startPos": 91,
"endPos": 150
},
{
"content": "127.0.0.1",
"isParticipating": true,
"groupNum": 1,
"startPos": 91,
"endPos": 100
},
{
"content": "-",
"isParticipating": true,
"groupNum": 2,
"startPos": 101,
"endPos": 102
},
{
"content": "-",
"isParticipating": true,
"groupNum": 3,
"startPos": 103,
"endPos": 104
},
{
"content": "01/Jul/1995:00:00:01 -0400",
"isParticipating": true,
"groupNum": 4,
"startPos": 106,
"endPos": 132
},
{
"content": "\"GET",
"isParticipating": true,
"groupNum": 5,
"startPos": 134,
"endPos": 138
},
{
"content": "/\"",
"isParticipating": true,
"groupNum": 6,
"startPos": 139,
"endPos": 141
},
{
"content": "",
"isParticipating": false,
"groupNum": 7,
"startPos": -1,
"endPos": -1
},
{
"content": "200",
"isParticipating": true,
"groupNum": 8,
"startPos": 142,
"endPos": 145
},
{
"content": "1839",
"isParticipating": true,
"groupNum": 9,
"startPos": 146,
"endPos": 150
}
],
[
{
"content": "127.0.0.1 - - [01/Jul/1995:00:00:01 -0400] \"GET / \" 200 1839",
"isParticipating": true,
"groupNum": 0,
"startPos": 152,
"endPos": 212
},
{
"content": "127.0.0.1",
"isParticipating": true,
"groupNum": 1,
"startPos": 152,
"endPos": 161
},
{
"content": "-",
"isParticipating": true,
"groupNum": 2,
"startPos": 162,
"endPos": 163
},
{
"content": "-",
"isParticipating": true,
"groupNum": 3,
"startPos": 164,
"endPos": 165
},
{
"content": "01/Jul/1995:00:00:01 -0400",
"isParticipating": true,
"groupNum": 4,
"startPos": 167,
"endPos": 193
},
{
"content": "\"GET",
"isParticipating": true,
"groupNum": 5,
"startPos": 195,
"endPos": 199
},
{
"content": "/",
"isParticipating": true,
"groupNum": 6,
"startPos": 200,
"endPos": 201
},
{
"content": "\"",
"isParticipating": true,
"groupNum": 7,
"startPos": 202,
"endPos": 203
},
{
"content": "200",
"isParticipating": true,
"groupNum": 8,
"startPos": 204,
"endPos": 207
},
{
"content": "1839",
"isParticipating": true,
"groupNum": 9,
"startPos": 208,
"endPos": 212
}
]
]