From 3fa09c1446cd3296df763d18797d4985b3ae9c65 Mon Sep 17 00:00:00 2001
From: chenshiyu <chenshiyu@ygsoft.com>
Date: Thu, 29 Aug 2019 14:23:14 +0800
Subject: [PATCH] feat/vivi/exercise7

---
 lib/blink.js             | 4 ++--
 lib/capture.js           | 8 +++++++-
 lib/capture_breakword.js | 8 +++++++-
 lib/quantified_group.js  | 2 +-
 lib/quotes.js            | 2 +-
 5 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/lib/blink.js b/lib/blink.js
index c391a9f..9657462 100644
--- a/lib/blink.js
+++ b/lib/blink.js
@@ -2,6 +2,6 @@ var marked = require('marked')
 
 module.exports = function (str) {
   var md = marked(str)
-  // TODO
-  return null
+  
+  return md.replace(/@@(.*?)@@/g, '<blink>$1</blink>')
 }
\ No newline at end of file
diff --git a/lib/capture.js b/lib/capture.js
index a08ee57..0b643ce 100644
--- a/lib/capture.js
+++ b/lib/capture.js
@@ -1,3 +1,9 @@
 module.exports = function (str) {
-  // TODO
+  const res = /x=\d+/.exec(str);
+
+  if (res) {
+    return res[0].split(/=/)[1];
+  }
+
+  return null;
 }
\ No newline at end of file
diff --git a/lib/capture_breakword.js b/lib/capture_breakword.js
index a08ee57..f367fd5 100644
--- a/lib/capture_breakword.js
+++ b/lib/capture_breakword.js
@@ -1,3 +1,9 @@
 module.exports = function (str) {
-  // TODO
+  const res = str.match(/\bx=\+?\d+\b/);
+
+  if (res) {
+    return res[0].replace('+', '').split(/=/)[1];
+  }
+
+  return null;
 }
\ No newline at end of file
diff --git a/lib/quantified_group.js b/lib/quantified_group.js
index a08ee57..0298324 100644
--- a/lib/quantified_group.js
+++ b/lib/quantified_group.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TODO
+  return str.match(/0x[A-Fa-f0-9]{2}/g).length === 8;
 }
\ No newline at end of file
diff --git a/lib/quotes.js b/lib/quotes.js
index a08ee57..afcc47f 100644
--- a/lib/quotes.js
+++ b/lib/quotes.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TODO
+  return str.match(/\".*?\"/g);
 }
\ No newline at end of file