Comments (1)
dlclark
commented on May 31, 2024
Your regex has catastrophic backtracking in it due to the nested repetition that allows any character (.). This type of backtracking isn't possible in RE2 and prevents these kinds of issues, but it also limits the features that RE2 can have.
To prevent the catastrophic backtracking you'll want to use \. in your pattern to match the literal dot instead of any character: dhgate(?:\.[a-z]+)+\/product\/
from regexp2.
Related Issues (20)
- Panic when trying to match `(?:){40}`
- Panics found through fuzzing HOT 2
- Infinite match loop HOT 3
- Capture.Length undefined, making FindAllString hard to implement HOT 2
- runtime error: index out of range [#number] with length 128 HOT 1
- runtime error: index out of range [<number>] with length <samenumber> HOT 4
- CPU is too high, how to reduce CPU, Pprof shows as follows HOT 1
- Can regexp2 provide the same APIs adapt to std.regexp? HOT 5
- compile failed HOT 1
- \Z not work on regexp2.RE2 mode HOT 1
- Compatibility issue with NKo Digits HOT 2
- Error while trying to match a string with a specific unicode against a RegExp that contains a space and a group HOT 3
- A bug when .* in the content to match HOT 1
- bugs in scenarios of Chinese characters or incorrect using of match.Index HOT 2
- Is it possible to get the name of the currently matched group? HOT 2
- ecmascript: cannot include class \s in character range
- error parsing regexp: unrecognized grouping construct: (?-1 HOT 1
- Support for Python-style named backreference
- Panic on 32bit architectures HOT 12
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from regexp2.