zre

zre/zre.go

+package zre
+
+import (
+	"regexp"
+)
+
+var cache map[string]*regexp.Regexp
+
+func init() {
+	cache = make(map[string]*regexp.Regexp)
+}
+
+func New(s string) *regexp.Regexp {
+	if r, ok := cache[s]; ok {
+		return r
+	}
+
+	cache[s] = regexp.MustCompile(s)
+
+	return cache[s]
+}
+
+func Replace(expr string, s, rep string) string {
+	return New(expr).ReplaceAllString(s, rep)
+}
+
+func Match(expr, s string) bool {
+	return New(expr).MatchString(s)
+}
+
+func FindAll(expr, s string, n int) []string {
+	return New(expr).FindAllString(s, n)
+}
+
+func Find(expr, s string) string {
+	return New(expr).FindString(s)
+}
+
+func FindSubmatch(expr, s string) []string {
+	return New(expr).FindStringSubmatch(s)
+}