nanamikon opened a new issue #4519:
URL: https://github.com/apache/apisix/issues/4519
### Issue description
Some plugins support vars matching, such as traffic-split.
```
"plugins": {
"traffic-split": {
"rules": [
{
"match": [
{
"vars": [
["arg_name","==","test"]
]
}
],
"weighted_upstreams": [
{
"upstream": {
"name": "upstream_A",
"type": "roundrobin",
"nodes": {
"127.0.0.1:1981":10
}
}
}
]
}
]
}
}
```
If I want to check an arg with dash (ex: test-name), I have to get this
arg using regex from nginx.var.args refer to
https://marc.info/?l=nginx&m=141589036701879&w=2.
So how to match this type of args in the plugin setting ? I can't get any
tips from https://github.com/api7/lua-resty-expr#operator-list
Thank you
### Environment
Request help without environment information will be ignored or closed.
* apisix version (cmd: `apisix version`):
* OS (cmd: `uname -a`):
* OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
* etcd version, if have (cmd: run `curl
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
* apisix-dashboard version, if have:
* luarocks version, if the issue is about installation (cmd: `luarocks
--version`):
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