修复密码强度为1时校验出错的问题

package.json

@@ -1,6 +1,6 @@
 {
   "name": "util-helpers",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "description": "一个基于业务场景的工具方法库",
   "main": "lib/index.js",
   "scripts": {

src/isPassword.js

@@ -49,7 +49,7 @@ function isPassword(value, {
   let reg = null;
 
   if (level === 1) {
-    reg = new RegExp(`^(?:${numRegStr}+|[${ignorecaseRegStr}]+|[${special}]+)$/`);
+    reg = new RegExp(`^[${numRegStr}${ignorecaseRegStr}${special}]+$`);
   } else if (level === 2) {
     if (ignoreCase) {
       reg = new RegExp(`^(?![${ignorecaseRegStr}]+$)(?!${numRegStr}+$)(?![${special}]+$)[${ignorecaseRegStr}${numRegStr}${special}]+$`);

test/validator/isPassword.test.js

@@ -9,9 +9,38 @@ describe('isPassword', () => {
     expect(isPassword(true)).to.be.equal(false);
     expect(isPassword(123)).to.be.equal(false);
   });
-  it('"a12345678" => true', () => {
+  it('1级强度 "1234787" => true', () => {
+    expect(isPassword('1234787', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "a1234787" => true', () => {
+    expect(isPassword('a1234787', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "ab1234787" => true', () => {
+    expect(isPassword('ab1234787', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "1a234787" => true', () => {
+    expect(isPassword('1a234787', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "a1_234787" => true', () => {
+    expect(isPassword('a1_234787', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "abc" => true', () => {
+    expect(isPassword('abc', {level: 1})).to.be.equal(true);
+  });
+  it('1级强度 "*_ )" => false', () => {
+    expect(isPassword('*_ )', {level: 1})).to.be.equal(false);
+  });
+
+  it('2级强度 "a12345678" => true', () => {
     expect(isPassword('a12345678')).to.be.equal(true);
   });
+  it('2级强度 "a1_234787" => true', () => {
+    expect(isPassword('a1_234787')).to.be.equal(true);
+  });
+  it('2级强度 "aa_234787" => true', () => {
+    expect(isPassword('aa_234787')).to.be.equal(true);
+  });
+
   it('3级强度 "a12345678" => false', () => {
     expect(isPassword('a12345678', { level: 3 })).to.be.equal(false);
   });