Questions About Token and Path
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- Ruby
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Description
I looked at the following 2 specifications and got the following information:
2.2 Basic Rules
4.1.1. Syntax
The token and path cannot contain CTL. The regular expressions of the two are as follows:
TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z"
PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z"
What's the difference between the following two uses? How do you match CTLs?
[!-~]
[ -~]
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Research direction
Start with the RFC sections linked in the issue and the TOKEN_RE and PATH_VALUE_RE expressions shown in the report. Clarify the difference between [!-~] and [ -~], and explain how CTL characters are matched; no file, test, or concrete code change is specified.
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Assessment
- Tech stack
- ruby
- Domain
- web-dev
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100