Added ReplacePathRegex middleware

server/server.go

@@ -16,6 +16,7 @@ import (
 	"reflect"
 	"regexp"
 	"sort"
+	"strings"
 	"sync"
 	"time"
 
@@ -81,6 +82,7 @@ type serverRoute struct {
 	stripPrefixesRegex []string
 	addPrefix          string
 	replacePath        string
+	replacePathRegex   string
 }
 
 // NewServer returns an initialized Server.
@@ -1065,6 +1067,15 @@ func (server *Server) wireFrontendBackend(serverRoute *serverRoute, handler http
 		}
 	}
 
+	if len(serverRoute.replacePathRegex) > 0 {
+		sp := strings.Split(serverRoute.replacePathRegex, " ")
+		if len(sp) == 2 {
+			handler = middlewares.NewReplacePathRegexHandler(sp[0], sp[1], handler)
+		} else {
+			log.Warnf("Invalid syntax for ReplacePathRegex: %s. Separate the regular expression and the replacement by a space.", serverRoute.replacePathRegex)
+		}
+	}
+
 	// add prefix - This needs to always be right before ReplacePath on the chain (second in order in this function)
 	// -- Adding Path Prefix should happen after all *Strip Matcher+Modifiers ran, but before Replace (in case it's configured)
 	if len(serverRoute.addPrefix) > 0 {