Update ingress-path-matching.md

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zengyuxing007 2024-02-22 11:40:08 +08:00 committed by yuzeng.zyx
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## Regular Expression Support
!!! important
Regular expressions is not supported in the `spec.rules.host` field. The wildcard character '*' must appear by itself as the first DNS label and matches only a single label. You cannot have a wildcard label by itself (e.g. Host ==
"*").
Regular expressions is not supported in the `spec.rules.host` field. The wildcard character '\*' must appear by itself as the first DNS label and matches only a single label. You cannot have a wildcard label by itself (e.g. Host == "\*").
!!! note
Please see the [FAQ](../faq.md#validation-of-path) for Validation Of __`path`__