package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?s)\\begin\{[^{}]*}(?:(?!\\(?:end|begin)).|(?R))*\\end\{[^{}]*}`)
var str = `meh meh
\begin{itemize}
\item something1
\begin{itemize}
\item something1.1
\item something1.2
\end{itemize}
\item something2
\begin{itemize}
\item something2.1
\item something2.2
\end{itemize}
\end{itemize}
blah blah
\begin{itemize}
\item somethingelse1
\item somethingelse2
\end{itemize}
the end.`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/