<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="page-header"> <h1>Password Check</h1> </div> <form class="form-horizontal" method="POST" id="form_1"> <div class="form-group"> <label for="pass" class="col-sm-2 control-label">password</label> <div class="col-sm-10"> <input type="password" name="pass" id="pass" class="form-control" /> </div> </div> </form> <hr> <p class="text-muted"><small>Based in: http://jsfiddle.net/aleem/KE3RB/8/</small></p> </div>

@import url("//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css");

$.fn.PassCheck = function(parametros){ // gusma62@gmail.com // Requiere: JQuery, Bootstrap 3, FontAwesome // Basado en http://jsfiddle.net/aleem/KE3RB/8/ var parametros = parametros || ''; var input = this; var help_block = $(input).parent().find(".help-block"); var form_group = $(input).closest(".form-group"); if(help_block.length < 1){ $(input).parent().append( '<span class="help-block"></span>' ); help_block = $(input).parent().find(".help-block"); } this.comprobar = function(){ var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$", "g"); var mediumRegex = new RegExp("^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g"); var enoughRegex = new RegExp("(?=.{6,}).*", "g"); $(form_group).removeClass(function(index, css){// http://stackoverflow.com/a/5182103 return (css.match (/(^|\s)has-\S+/g) || []).join(' '); }); if (false == enoughRegex.test($(input).val())) { $(form_group).addClass("has-error"); $(help_block).html('<i class="fa fa-remove"></i> Pocos Caracteres'); // return false; } else if (strongRegex.test($(input).val())) { $(form_group).addClass("has-success"); $(help_block).html('<i class="fa fa-check"></i> Contraseña Fuerte'); // return true; } else if (mediumRegex.test($(input).val())) { $(form_group).addClass("has-warning"); $(help_block).html('<i class="fa fa-circle-o"></i> Seguridad Media'); // return false; } else { $(form_group).addClass("has-error"); $(help_block).html('<i class="fa fa-remove"></i> Contraseña débil'); // return false; } // return false; }// /comprobar $(input).keyup(function(e){ input.comprobar(); });// /keyup }// /$.fn.PassCheck $(document).ready(function(){ $("#form_1 input[name=pass]").PassCheck(); });// /document ready