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Add link to expr syntax and fix regex matching docs

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Thomas Roehl 2024-12-12 05:35:48 +01:00
parent e91fc6004f
commit 276aa58e50
1 changed files with 2 additions and 1 deletions
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pkg/messageProcessor/README.md
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@ -243,7 +243,8 @@ Accessible for operations are
Generally, all tags are accessible with `tag_<tagkey>`, `tags_<tagkey>` or `tags.<tagkey>`. Similarly for all fields with `field[s]?[_.]<fieldkey>`. For meta information `meta[_.]<metakey>` (there is no `metas[_.]<metakey>`).
- Comparing strings: `==`, `!=`, `match(str, regex)` (use `%` instead of `\`!)
The [syntax of `expr`](https://expr-lang.org/docs/language-definition) is accepted with some additions:
- Comparing strings: `==`, `!=`, `str matches regex` (use `%` instead of `\`!)
- Combining conditions: `&&`, `||`
- Comparing numbers: `==`, `!=`, `<`, `>`, `<=`, `>=`
- Test lists: `<value> in <list>`