linrrzqqq opened a new pull request, #60303:
URL: https://github.com/apache/doris/pull/60303
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
In Doris's regexp function, `RE2` is used for regular expression parsing. If
parsing fails, an error will be generated in be.out. However, since we will try
to fallback to `boost` for a second parsing, these errors in be.out may be
noise. We should handle the errors ourselves rather than relying on RE2.
```text
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(?<=foo)(\d+)(?=bar)': invalid perl operator: (?<
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(EdgeCase\d)(?= EdgeCase|$)': invalid perl operator: (?=
/home/runner/work/doris-thirdparty/doris-thirdparty/thirdparty/src/re2-2021-02-02/re2/re2.cc:206:
Error parsing '(EdgeCase\d)(?= EdgeCase|$)': invalid perl operator: (?=
...
```
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [x] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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