Hey, does somebody know, can regexp fail only because of

Question

boost::regex

Hey, does somebody know, can regexp fail only because of

the big length of input string (my string is a little bigger than 800k symbols)?
str := "somestring \"text\":[`somestring`,] somestring"
reg := regexp.MustCompile("\"text\":\\[`(.*?)`,\\]")
match := reg.FindStringSubmatch(sbody)
fmt.Println(match[1])
This example works correctly, but when I change str with real string with 800k symbols, i have this error
goroutine 1 [running]:
main.main()
Path/to/directory/main.go:24 +0x19f

Process finished with the exit code 2
If i am wrong, what can be cause of this error?

0

28.02.2024

4 ответов

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boost::regex Автор вопроса

If in this example, with one actual match, this work correctly, why it fail with the big string? So, answer to your question, is more no, than yes I may be wrong

0

9 месяцев назад

boost::regex Автор вопроса

eme
Instead of printing a single element (match[1]), t...

Okay this is worst than phantom error. I do some debug, and there really nil in match. I write wrong regex, and I don't know why

0

9 месяцев назад

Amir

boost::regex
Okay this is worst than phantom error. I do some d...

Lesson learned to never just use a slice without length checking it first :P

0

9 месяцев назад

eme · Accepted Answer

eme

boost::regex
If in this example, with one actual match, this wo...

Instead of printing a single element (match[1]), try printing the whole thing fmt.Printf("%v\n", match ). match could be empty or have only 1 element.

0

9 месяцев назад

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