feat: add some regular expressions

src/regex/constants.ts

@@ -0,0 +1,27 @@
+/**
+ * email address
+ */
+export const RegEx_Email = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/
+
+/**
+ * domain name
+ */
+export const RegEx_Domain = /[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+\.?/
+
+/**
+ * (weak) password: 6~18 bits, contain: `letters` / `numbers` / `_`
+ * and must start with letters
+ */
+export const RegEx_Password = /^[a-zA-Z]\w{5,17}$/
+
+/**
+ * strong password: 8~16 bits, contain: `letters` and `numbers`
+ * Special characters cannot be used
+ * 必须包含大小写字母和数字的组合，不能使用特殊字符，长度在8-16之间
+ */
+export const RegEx_StrongPassword = /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,16}$/
+
+/**
+ * phone number
+ */
+export const RegEx_PhoneNumber = /^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/

src/regex/index.ts

@@ -0,0 +1,35 @@
+import {
+  RegEx_Domain,
+  RegEx_Email,
+  RegEx_Password,
+  RegEx_PhoneNumber,
+  RegEx_StrongPassword
+} from './constants'
+
+/**
+ * Check val is domain name
+ * @param val the check val
+ * @returns boolean
+ */
+export const isDomainName = (val: string): boolean => RegEx_Domain.test(val)
+/**
+ * Check val is email
+ * @param val the check val
+ * @returns boolean
+ */
+export const isEmail = (val: string): boolean => RegEx_Email.test(val)
+
+/**
+ * Check val is phone number
+ * @param val the check val
+ * @returns boolean
+ */
+export const isPhoneNumber = (val: string): boolean => RegEx_PhoneNumber.test(val)
+
+export {
+  RegEx_Domain,
+  RegEx_Email,
+  RegEx_Password,
+  RegEx_PhoneNumber,
+  RegEx_StrongPassword
+}