Pattern that determines the validity of a password

My current password validation pattern does not allow white space and requires at least 6 characters: /[^\s]+.{6,}/;

I specifically need 6 characters that are anything except a space.

However, this pattern is not functioning as expected.

const passwordreg = this.registrationForm.value.passwordreg;
    const passwordpattern = /[^\s]+.{6,}/;
    
    if (passwordreg === null || passwordreg === undefined || passwordreg === '' ) {
      this.showMessagesregist = true;
      this.errorMessage = 'Please Enter Password';
      return;
    } 
    else if(!passwordpattern.test(passwordreg)){
      this.showMessagesregist = true;
      this.errorMessage = 'Password must be at least 6 characters.';
      return;
    } 
<input [type]="fieldTextType ? 'text' : 'password'" autocomplete="passwordreg"                         formControlName="passwordreg"  class="form-control mb-2" placeholder="Enter Password">

Answer №1

When searching for the right regex, consider the following:

/^\S{6,}$/

This pattern ensures that there are at least 6 characters with no white space permitted.

To restrict spaces but allow tabs, new lines, and carriage returns, you can use the following:

/^[^ ]{6,}$/

Answer №2

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

This password must be at least 8 characters long and include a number, lowercase letter, uppercase letter, and special character. To specify the minimum and maximum character lengths, use {minCharLength,maxCharLength}

In your situation, "^(?=.[a-z])(?=.[A-Z])(?=.\d)(?=.[@$!%?&>])[A-Za-z\d@$!%?&>]{6,}$"

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