package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<sup_all>
(?:
(?<!\\)\^
(?<sup_text>
(?>\\[\^[:blank:]\h]|[^\^[:blank:]\h\v])*+
)
(?<!\\)\^
)
|
(?: # or the Microsoft way. Beurk
\<sup\>
(?<sup_text>
((?!\v).)+
)
\<\/sup\>
)
)`)
var str = `2^10^ is 1024.
Space is not allowed:
P^a cat^
But it's ok if it is escaped
P^a\ cat^
Line break is a no-no, even escaped
P^a\
cat^
Hmm <sup>This is a Microsoft superscript!</sup>
H^2^0
text^a\ superscript^
`
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/