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Regex for password

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Ozie Mozzie answered on November 28, 2019 Popularity 9/10 Helpfulness 2/10

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Regex for password

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//Source:stackoverflow.com 

private bool ValidatePassword(string password, out string ErrorMessage)
        {
            var input = password;
            ErrorMessage = string.Empty;

            if (string.IsNullOrWhiteSpace(input))
            {
                throw new Exception("Password should not be empty");
            }

            var hasNumber = new Regex(@"[0-9]+");
            var hasUpperChar = new Regex(@"[A-Z]+");
            var hasMiniMaxChars = new Regex(@".{8,15}");
            var hasLowerChar = new Regex(@"[a-z]+");
            var hasSymbols = new Regex(@"[!@#$%^&*()_+=\[{\]};:<>|./?,-]");

            if (!hasLowerChar.IsMatch(input))
            {
                ErrorMessage = "Password should contain at least one lower case letter.";
                return false;
            }
            else if (!hasUpperChar.IsMatch(input))
            {
                ErrorMessage = "Password should contain at least one upper case letter.";
                return false;
            }
            else if (!hasMiniMaxChars.IsMatch(input))
            {
                ErrorMessage = "Password should not be lesser than 8 or greater than 15 characters.";
                return false;
            }
            else if (!hasNumber.IsMatch(input))
            {
                ErrorMessage = "Password should contain at least one numeric value.";
                return false;
            }

            else if (!hasSymbols.IsMatch(input))
            {
                ErrorMessage = "Password should contain at least one special case character.";
                return false;
            }
            else
            {
                return true;
            }
        }
Source:stackoverflow.com

Popularity 9/10 Helpfulness 2/10 Language csharp

Source: Grepper

Tags: javascript regex

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Contributed on Feb 08 2023

Ozie Mozzie

0 Answers Avg Quality 2/10

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password regex

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Minimum eight characters, at least one letter and one number:
"^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$"

Minimum eight characters, at least one letter, one number and one special character:
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$"

Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$"

Minimum eight characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$"

Minimum eight and maximum 10 characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$"

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 29 2021

Harpreet_Singh

0 Answers Avg Quality 2/10

RegExp validation for password explained

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r'^
  (?=.*[A-Z])       // should contain at least one upper case
  (?=.*[a-z])       // should contain at least one lower case
  (?=.*?[0-9])      // should contain at least one digit
  (?=.*?[!@#\$&*~]) // should contain at least one Special character
  .{8,}             // Must be at least 8 characters in length  
$

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 26 2021

Difficult Dugong

0 Answers Avg Quality 2/10

password regex

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^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$

Popularity 10/10 Helpfulness 8/10 Language whatever

Source: Grepper

Tags: regex rege

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Contributed on Nov 28 2019

Mobile Star

0 Answers Avg Quality 2/10

regex password

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^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: www.thepolyglotdeveloper.com

Tags: javascript j

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Contributed on May 11 2020

DieOver

0 Answers Avg Quality 2/10

regex for password

Comment

Minimum eight characters, at least one letter and one number:
"^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$"

Minimum eight characters, at least one letter, one number and one special character:
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$"

Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$"

Minimum eight characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$"

Minimum eight and maximum 10 characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$"
r'^
  (?=.*[A-Z])       // should contain at least one upper case
  (?=.*[a-z])       // should contain at least one lower case
  (?=.*?[0-9])      // should contain at least one digit
  (?=.*?[!@#\$&*~]) // should contain at least one Special character
  .{8,}             // Must be at least 8 characters in length  
$

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 10 2023

Shindou Lê

0 Answers Avg Quality 2/10

regrex for password

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"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$"

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on May 24 2021

RamNirmal0

0 Answers Avg Quality 2/10

password regex

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"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$"

Popularity 10/10 Helpfulness 5/10 Language whatever

Source: stackoverflow.com

Tags: regex rege

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Contributed on Jul 15 2021

Sparkling Sardine

0 Answers Avg Quality 2/10

password regex

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^                 # start-of-string
(?=.*[0-9])       # a digit must occur at least once
(?=.*[a-z])       # a lower case letter must occur at least once
(?=.*[A-Z])       # an upper case letter must occur at least once
(?=.*[@#$%^&+=])  # a special character must occur at least once
(?=\S+$)          # no whitespace allowed in the entire string
.{8,}             # anything, at least eight places though
$                 # end-of-string

Popularity 9/10 Helpfulness 5/10 Language whatever

Source: stackoverflow.com

Tags: regex rege

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Contributed on Mar 31 2022

neo

0 Answers Avg Quality 2/10

regex pattern for strong password

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(?=^.{8,}$)(?=.*\d)(?=.*[!@#$%^&*]+)(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: www.computerworld.com

Tags: javascript j

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Contributed on Oct 13 2020

Amused Alligator

0 Answers Avg Quality 2/10

regex pattern for password validation

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// Match at least one uppercase letter, 
// at least one lowercase letter, 
// at least one digit 
// and includes 12 or more symbols
String validPassRegex = "^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=\\S+$).{12,}$";

// and special characters:
String validPassRegex2 = "^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$";

Popularity 9/10 Helpfulness 5/10 Language java

Source: stackoverflow.com

Tags: java

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Contributed on Apr 14 2022

0 Answers Avg Quality 2/10

Regex for password

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