首次提交：初始化项目代码

regexp/regexp_demo_4.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"regexp"
+)
+
+var namedRegex = regexp.MustCompile(`姓名：(?P<name>[\p{Han}a-zA-Z0-9]+)，城市：(?P<city>[\p{Han}a-zA-Z0-9]+)`)
+
+func main() {
+	text := "姓名：孙三苗，城市：北京"
+	match := namedRegex.FindStringSubmatch(text)
+	for i, name := range namedRegex.SubexpNames() {
+		if i > 0 && name != "" {
+			fmt.Printf("%s：%s\n", name, match[i])
+		}
+	}
+}