能否请您详细说明这段代码 | 能否请您详细说明这段代码

本文介绍了能否请您详细说明这段代码的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

var PasswordRegExpression = /(?=.* \ d）（？=。* [az]）（？=。* [AZ]）。{6} /;

我尝试了什么：

我不知道为什么这些符号在这段代码中

var PasswordRegExpression = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6}/;

What I have tried:

I don't know why these signs are in this code

推荐答案

Quote：

var PasswordRegExpression = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6}/;

Aka正则表达式。

只是一些有趣的链接来帮助构建和调试RegEx。

以下是RegEx文档的链接：

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以下是帮助构建RegEx并对其进行调试的工具链接：

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此节目RegEx是一个很好的图表，它非常有助于理解RegEx的作用：

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Aka Regular Expression.

Just a few interesting links to help building and debugging RegEx.
Here is a link to RegEx documentation:
perlre - perldoc.perl.org[^]
Here is links to tools to help build RegEx and debug them:
.NET Regex Tester - Regex Storm[^]
Expresso Regular Expression Tool[^]
RegExr: Learn, Build, & Test RegEx[^]
This one show you the RegEx as a nice graph which is really helpful to understand what is doing a RegEx:
Debuggex: Online visual regex tester. JavaScript, Python, and PCRE.[^]

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