From fdedd9ddb201893ffa7724b3f9e3bf6f5174e950 Mon Sep 17 00:00:00 2001
From: eson <474420502@qq.com>
Date: Sun, 23 Dec 2018 05:38:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9B=E6=AD=A3=E5=88=99=E7=9A=84?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 gjson.go | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/gjson.go b/gjson.go
index 36e858f..0c316df 100644
--- a/gjson.go
+++ b/gjson.go
@@ -1080,6 +1080,22 @@ func parseObject(c *parseContext, i int, path string) (int, bool) {
 	}
 	return i, false
 }
+
+func escapeRegexpString(rpv string) string {
+	var content []byte
+	lrpv := len(rpv)
+	for i := 0; i < lrpv; i++ {
+		rpvChar := rpv[i]
+		if rpvChar == '\\' {
+			content = append(content, rpv[i+1])
+			i++
+		} else {
+			content = append(content, rpvChar)
+		}
+	}
+	return string(content)
+}
+
 func queryMatches(rp *arrayPathResult, value Result) bool {
 	rpv := rp.query.value
 	if len(rpv) > 2 && rpv[0] == '"' && rpv[len(rpv)-1] == '"' {
@@ -1102,14 +1118,12 @@ func queryMatches(rp *arrayPathResult, value Result) bool {
 			return value.Str >= rpv
 		case "%":
 			if rp.re == nil {
-				rpv = strings.Replace(rpv, `\"`, `"`, -1)
-				rp.re = regexp.MustCompile(rpv)
+				rp.re = regexp.MustCompile(escapeRegexpString(rpv))
 			}
 			return rp.re.MatchString(value.Str)
 		case "!%":
 			if rp.re == nil {
-				rpv = strings.Replace(rpv, `\"`, `"`, -1)
-				rp.re = regexp.MustCompile(rpv)
+				rp.re = regexp.MustCompile(escapeRegexpString(rpv))
 			}
 			return !rp.re.MatchString(value.Str)
 		}