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Password checking regex

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Nazmul Hassan answered on November 28, 2019 Popularity 9/10 Helpfulness 7/10

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Password checking regex

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// minimum 8 characters , minimum one specil charecter , minimum one uppercase and one lowercase letter required
/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/

Popularity 9/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: javascript regex

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Contributed on Aug 05 2021

Nazmul Hassan

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  
$

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Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 26 2021

Difficult Dugong

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match password regex

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/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[!@#$^&*()_-]).{8,18}$/

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Tags: javascript j

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Contributed on Oct 24 2022

Mehedi Islam Ripon

0 Answers Avg Quality 2/10

password regex

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

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Tags: regex rege

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Contributed on Nov 28 2019

Mobile Star

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Regex Password Validation

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function validate(password) {
    return /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])[A-Za-z0-9]{6,}$/.test(password);
}

Explanation:

^               // start of input 
(?=.*?[A-Z])    // Lookahead to make sure there is at least one upper case letter
(?=.*?[a-z])    // Lookahead to make sure there is at least one lower case letter
(?=.*?[0-9])    // Lookahead to make sure there is at least one number
[A-Za-z0-9]{6,} // Make sure there are at least 6 characters of [A-Za-z0-9]
$               // end of input

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Aug 27 2021

abdelghanyMh

0 Answers Avg Quality 2/10

password regex

Comment

"^(?=.*[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

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password regex

Comment

^                 # 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 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

password regex

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Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:

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

Popularity 8/10 Helpfulness 4/10 Language whatever

Source: stackoverflow.com

Tags: regex whatever what

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Contributed on May 01 2023

Mahedi hassan Tonay

0 Answers Avg Quality 2/10

Password checking regex

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