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ID: go-best-practices/regexp-zero-results
Language: Go
Severity: Info
Category: Best Practices
Go, invoking the function re.FindAll()
with the second argument set to 0 will not return any results.
import "regexp"
func main () {
re := regexp.MustCompile("foo(")
if something {
re.FindAll([]byte(`seafood fool`), 0)
}
}
import "regexp"
func main () {
var re *regexp.Regexp
res := re.FindAll(something, 0)
}
import "regexp"
func main () {
re := regexp.MustCompile(`foo.?`)
res := re.FindAll(something, 0)
}
import "regexp"
func main () {
var r *regexp.Regexp
res := r.FindAll(something, 0)
var r2 regexp.Regexp
res := r2.FindAll(something, 0)
regexp.MustCompile("foo(").FindAll(nil, 0)
regexp.MustCompile(`foo.?`).FindAll([]byte(`seafood fool`), -1))
if something {
res = r.FindAll(something, 0)
re.FindAll([]byte(`seafood fool`), -1)
}
}
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