jquery验证密码的强弱

       
    <script> 
   
    //下面的正则表达式建议各位收藏哦，项目上有可能会用得着 
   
    $( 
    function 
    (){  
   
    $( 
    '#pass' 
    ).blur( 
    function 
    (e) { 
   
    // alert('---------'); 
   
    //密码为八位及以上并且字母数字特殊字符三项都包括 
   
    var  
    strongRegex =  
    new  
    RegExp( 
    "^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$" 
    ,  
    "g" 
    ); 
   
    //密码为七位及以上并且字母、数字、特殊字符三项中有两项，强度是中等 
   
    var  
    mediumRegex =  
    new  
    RegExp( 
    "^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$" 
    ,  
    "g" 
    ); 
   
    var  
    enoughRegex =  
    new  
    RegExp( 
    "(?=.{6,}).*" 
    ,  
    "g" 
    ); 
   
    if  
    ( 
    false  
    == enoughRegex.test($( 
    this 
    ).val())) { 
   
    $( 
    '#passstrength' 
    ).html( 
    'More Characters' 
    ); 
   
    }  
    else  
    if  
    (strongRegex.test($( 
    this 
    ).val())) { 
   
    $( 
    '#passstrength' 
    ).className =  
    'ok' 
    ; 
   
    $( 
    '#passstrength' 
    ).html( 
    'Strong!' 
    ); 
   
    }  
    else  
    if  
    (mediumRegex.test($( 
    this 
    ).val())) { 
   
    $( 
    '#passstrength' 
    ).className =  
    'alert' 
    ; 
   
    $( 
    '#passstrength' 
    ).html( 
    'Medium!' 
    ); 
   
    }  
    else  
    { 
   
    $( 
    '#passstrength' 
    ).className =  
    'error' 
    ; 
   
    $( 
    '#passstrength' 
    ).html( 
    'Weak!' 
    ); 
   
    } 
   
    return  
    true 
    ; 
   
    }); 
   
    }); 
   
    </script> 
   
    <input type= 
    "password"  
    name= 
    "pass"  
    id= 
    "pass"  
    /> 
   
    <span id= 
    "passstrength" 
    ></span> 
   
     转自：https://www.cnblogs.com/sjqq/p/6382287.html

<script>

//下面的正则表达式建议各位收藏哦，项目上有可能会用得着

$( function (){

$( '#pass' ).blur( function (e) {

// alert('---------');

//密码为八位及以上并且字母数字特殊字符三项都包括

var strongRegex = new RegExp( "^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$" , "g" );

//密码为七位及以上并且字母、数字、特殊字符三项中有两项，强度是中等

var mediumRegex = new RegExp( "^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$" , "g" );

var enoughRegex = new RegExp( "(?=.{6,}).*" , "g" );

if ( false == enoughRegex.test($( this ).val())) {

$( '#passstrength' ).html( 'More Characters' );

} else if (strongRegex.test($( this ).val())) {

$( '#passstrength' ).className = 'ok' ;

$( '#passstrength' ).html( 'Strong!' );

} else if (mediumRegex.test($( this ).val())) {

$( '#passstrength' ).className = 'alert' ;

$( '#passstrength' ).html( 'Medium!' );

} else {

$( '#passstrength' ).className = 'error' ;

$( '#passstrength' ).html( 'Weak!' );

}

return true ;

});

</script>

<input type= "password" name= "pass" id= "pass" />

<span id= "passstrength" ></span>

转自：https://www.cnblogs.com/sjqq/p/6382287.html

jquery验证密码的强弱

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