Created
January 18, 2020 12:33
-
-
Save g10guang/04f11221dadf1ed019e0d3cf3e82caf3 to your computer and use it in GitHub Desktop.
golang remove html tag from string
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package utils | |
import ( | |
"regexp" | |
"sort" | |
"strings" | |
) | |
// match html tag and replace it with "" | |
func RemoveHtmlTag(in string) string { | |
// regex to match html tag | |
const pattern = `(<\/?[a-zA-A]+?[^>]*\/?>)*` | |
r := regexp.MustCompile(pattern) | |
groups := r.FindAllString(in, -1) | |
// should replace long string first | |
sort.Slice(groups, func(i, j int) bool { | |
return len(groups[i]) > len(groups[j]) | |
}) | |
for _, group := range groups { | |
if strings.TrimSpace(group) != "" { | |
in = strings.ReplaceAll(in, group, "") | |
} | |
} | |
return in | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
your method for removing HTM tags is not very optimized. A simple regex or the bluemonday lib is much faster for the same result.
see bench and method comparaison here : https://go.dev/play/p/7fkN9Vp-86U