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50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Package util provides utility functions for various things such as strings
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package util
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import (
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"fmt"
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"math/rand"
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"net/url"
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"strings"
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)
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func NL2BR(s string) string {
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return strings.Replace(s, "\n", "<br>", -1)
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}
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func StringLinkToHTMLLink(s string) string {
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s = strings.Replace(s, "\n", " \n ", -1)
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for _, p := range strings.Split(s, " ") {
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u, err := url.ParseRequestURI(p)
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if err == nil && u.Scheme != "" {
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s = strings.Replace(s, p, fmt.Sprintf("<a href=\"%s\">%s</a>", p, p), 1)
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}
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}
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return strings.Replace(s, " \n ", "\n", -1)
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}
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func GetStringBetweenStrings(str string, start string, end string) (result string) {
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s := strings.Index(str, start)
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if s == -1 {
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return
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}
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s += len(start)
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e := strings.Index(str[s:], end)
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if e == -1 {
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return
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}
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return str[s : s+e]
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}
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// RandomString generates a random string of n length. Based on https://stackoverflow.com/a/22892986/1260548
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func RandomString(n int) string {
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// remove vowels to make it less likely to generate something offensive
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var letters = []rune("bcdfghjklmnpqrstvwxzBCDFGHJKLMNPQRSTVWXZ")
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b := make([]rune, n)
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for i := range b {
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b[i] = letters[rand.Intn(len(letters))]
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}
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return string(b)
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}
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