Added: 添加数字匹配的正则

wanglin0121 · Mar 27, 2017 · 9c4f102 · 9c4f102
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diff --git a/README.md b/README.md
@@ -2,24 +2,44 @@
 
 ![Regex](images/regex.png)
 
-## Table of Contents
+## 目录
 
-- [Email](#email)
-- [Phone](#phone)
-- [Domain-name](#domain-name)
+- [邮箱](#邮箱)
+- [电话](#电话)
+- [域名](#域名)
 - [IP](#ip)
-
-## Email
-
-`[email protected]`
+- [数字正则](#数字正则)
+    - [整数](#整数)
+    - [正整数](#正整数)
+    - [负整数](#负整数)
+    - [非负整数](#非负整数)
+    - [非正整数](#非正整数)
+    - [浮点数](#浮点数)
+    - [正浮点数](#正浮点数)
+    - [负浮点数](#负浮点数)
+    - [非负浮点数](#非负浮点数)
+    - [非正浮点数](#非正浮点数)
+
+
+## 邮箱
+
+`[email protected]` 只允许英文字母、数字、下划线、英文句号、以及中划线组成
 
 ```regex
 ^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$
 ```
 
 ![email](images/email.png)
 
-## Phone
+`高子航[email protected]` 名称允许汉字、字母、数字，域名只允许英文域名
+
+```regex
+^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$
+```
+
+![email](images/email2.png)
+
+## 电话
 
 `13012345678`
 
@@ -29,7 +49,7 @@
 
 ![email](images/phone.png)
 
-## Domain-name
+## 域名
 
 `https://google.com`
 
@@ -47,4 +67,86 @@
 ((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))
 ```
 
-![ip](images/ip.png)
+![ip](images/ip.png)
+
+## 数字正则
+
+### 整数
+
+```regex
+^-?[1-9]\d*$
+```
+
+![num](images/num1.png)
+
+### 正整数
+
+```regex
+^[1-9]\d*$
+```
+
+![num](images/num2.png)
+
+### 负整数
+
+```regex
+^-[1-9]\d*$
+```
+
+![num](images/num3.png)
+
+### 非负整数
+
+```regex
+^[1-9]\d*|0$
+```
+
+![num](images/num4.png)
+
+### 非正整数
+
+```regex
+^-[1-9]\d*|0$
+```
+
+![num](images/num5.png)
+
+### 浮点数
+
+```regex
+^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$
+```
+
+![num](images/num6.png)
+
+### 正浮点数
+
+```regex
+^[1-9]\d*\.\d*|0\.\d*[1-9]\d*$
+```
+
+![num](images/num7.png)
+
+### 负浮点数
+
+```regex
+^-([1-9]\d*\.\d*|0\.\d*[1-9]\d*)$
+```
+
+![num](images/num8.png)
+
+### 非负浮点数
+
+```regex
+^[1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0$
+```
+
+![num](images/num9.png)
+
+### 非正浮点数
+
+```regex
+^(-([1-9]\d*\.\d*|0\.\d*[1-9]\d*))|0?\.0+|0$
+```
+
+![num](images/num10.png)
diff --git a/images/email2.png b/images/email2.png
diff --git a/images/num1.png b/images/num1.png
diff --git a/images/num10.png b/images/num10.png
diff --git a/images/num2.png b/images/num2.png
diff --git a/images/num3.png b/images/num3.png
diff --git a/images/num4.png b/images/num4.png
diff --git a/images/num5.png b/images/num5.png
diff --git a/images/num6.png b/images/num6.png
diff --git a/images/num7.png b/images/num7.png
diff --git a/images/num8.png b/images/num8.png
diff --git a/images/num9.png b/images/num9.png