What is the regular expression for checking the password is having the following criteria ?

Question

1.33/5 (2 votes)

See more:

A complex password has the following requirements:
Contain at least three of the five following character types:
o Lower case characters
o Upper case characters
o Numbers
o Punctuation
o “Special” characters (e.g. @#$%^&*()_+|~-=\`{}[]:";'<>/ etc)
Contain at least eight (8) alphanumeric characters.

Posted 16-Apr-15 2:26am

Nityananda Das

Updated 16-Apr-15 2:39am

Kenneth Haugland

v2

Add a Solution

Comments

ramyajaya 16-Apr-15 11:24am

Try this

^(?=(.*\d))(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z\d])(?=(.*\W)).{8,}$

Nityananda Das 17-Apr-15 0:38am

i already tried this but it includes punctuations also.I need special characters and punctuations both separate also its contains Contain at least three of the five following character types:
o Lower case characters
o Upper case characters
o Numbers
o Punctuation
o “Special” characters (e.g. @#$%^&*()_+|~-=\`{}[]:";'<>/ etc)

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

TheRealSteveJudge · Answer 1 · 2015-04-16T03:13:00

Solution 1

Please have a look here:
http://www.aspsnippets.com/Articles/Implement-Password-Policy-using-Regular-Expressions-and-ASPNet-RegularExpression-Validator.aspx[^]
You can reuse the given regular expressions in your source code.

Posted 16-Apr-15 3:13am

TheRealSteveJudge

Comments

Nityananda Das 17-Apr-15 0:38am

I need special characters and punctuations both separate also it contain at least three of the five following character types:
o Lower case characters
o Upper case characters
o Numbers
o Punctuation
o “Special” characters (e.g. @#$%^&*()_+|~-=\`{}[]:";'<>/ etc)

TheRealSteveJudge 17-Apr-15 2:44am

We cannot do the homework for you.

Please have a look at the posted link and try to adapt any of the examples
to your needs.

When you get problems you're welcome to reply.