Merge pull request frank-lam#28 from si9ma/patch-1

frank-lam · web-flow · commit 7da16d52875c · 2019-01-29T15:51:05.000+08:00
添加两个快速在线验证正则的网站
diff --git a/notes/正则表达式.md b/notes/正则表达式.md
@@ -49,4 +49,11 @@
 | *?      | *的懒惰模式               | yo*?     | y          | yo       |
 | {n}     | 重复n次                   | yo{2}    | yoo        | yooo     |
 | {n,m}   | 重复n到m次                | yo{1, 3} | yo,yooo    | yoooo    |
-| {n,}    | 重复至少n次               | yo{2,}   | yoo, yooo  | yo       |
+| {n,}    | 重复至少n次               | yo{2,}   | yoo, yooo  | yo       |
+
+
+# 正则在线验证
+
+- [RegExr: Learn, Build, & Test RegEx](https://regexr.com/)
+
+- [Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript](https://regex101.com/)
