我在使用这个程序时遇到了麻烦。目标是使用字符串方法解析名称（作为字符串）。我只能得到名字和姓，但是我遇到了前缀问题。这是我到目前为止所有的帮助表示赞赏！
答案 0 :(得分：2)
我的理解是全名可以包含Initials，FirstName，MiddleName和Last Name。在从全名中提取名称时，可能会有一些组合可以小心。
string fullName = "Mohit Shrivastava";
var names = fullName.Split(' ');
string firstName = names[0];
string lastName = names[1];
string fullName = "Mr. Mohit Shrivastava";
var names = fullName.Split(' ');
string prefix= names[0];
string firstName = names[1];
string lastName = names[2];
string fullName = "Mr. Mohit Kumar Shrivastava";
var names = fullName.Split(' ');
string prefix= names[0];
string firstName = names[1];
string middleName = names[2];
string lastName = names[3];
在您的情况下，Case Second将满足您的需求。如果您不确定用户将其名称作为他/她的名字，那么您可以计算名称数组中的项目，并查看哪种情况适合您。
答案 1 :(得分：0)
这样就可以了解
var parts = fullName.Replace(" ", " ").Trim().Split(' ');
lastName = parts[parts.Length - 1];
if (parts.Length >= 2)
firstName = parts[parts.Length - 2];
if (parts.Length >= 3)
prefix = parts[parts.Length - 3];
答案 2 :(得分：0)
如果您必须假设名称将是前缀+空格+名字+空格+姓氏或名字+空格+姓氏，那么您是否只能使用分割功能？如下（未经测试）：
function companyFormValidation()
{
var name = document.getElementById('companyname').value;
var title = document.getElementById('companytitle').value;
var desc = document.getElementById('description').value;
var logo = document.getElementById('logo').value;
var email = document.getElementById('emailid').value;
var website = document.getElementById('siteurl').value;
var phonenumber = document.getElementById('phonenumber').value;
var faxNumber = document.getElementById('faxNumber').value;
var address = document.getElementById('address').value;
var latitude = document.getElementById('latitude').value;
var longitude = document.getElementById('longitude').value;
if(name == '')
{
alert('Name can not empty');
//$("#ename").html("Name can't be empty..");
}
}
<form id="addCompanyForm" method="post" action="#" class="form-horizontal" >
<fieldset>
<legend>Company </legend>
<div class="form-group">
<label class="col-lg-3 control-label">Name</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="companyname" id='companyname' />
<div id="ename"></div>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Title</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="companytitle" id="companytitle" />
<div id="etitle"></div>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Description</label>
<div class="col-lg-5">
<textarea class="form-control" name="description" id = "description"></textarea>
<div id="edesc"></div>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Logo</label>
<div class="col-lg-5">
<input type="file" class="form-control" name='logo' id="logo" >
<!-- <span class="input-group-btn">
<span class="btn btn-default btn-file">
Browse… <input type="file" name="">
</span>
</span> -->
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Email </label>
<div class="col-lg-5">
<input type="text" class="form-control" name="emailid" id="emailid"/>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Website</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="siteurl" placeholder="http://" id="siteurl" />
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Phone number</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="phonenumber" id="phonenumber"/>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Fax number</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="faxNumber" id="faxNumber" />
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Address</label>
<div class="col-lg-5">
<textarea class="form-control" name="address" id="address"></textarea>
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Latitude</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="latitude" id="latitude" />
</div>
</div>
<div class="form-group">
<label class="col-lg-3 control-label">Longitude</label>
<div class="col-lg-5">
<input type="text" class="form-control" name="longitude" id="longitude" />
</div>
</div>
</fieldset>
<div class="form-group">
<div class="col-lg-9 col-lg-offset-3">
<button type="submit" class="btn btn-primary" onclick="companyFormValidation()" >Submit</button>
</div>
</div>
</form>
如果您无法确定名称条目，则可能需要更强大的功能，例如每个参数有三个不同的文本框。
答案 3 :(得分：0)
正确的解决方案是为前缀，名字和名称设置三个单独的文本框。姓。现在，这应该可行。
这不是很简单＆＃34;简短＆＃34;，但几乎可以处理所有情况。
string prefix = string.Empty;
string firstName = string.Empty;
string lastName = string.Empty; //no MiddleName, as per your question
var fullName = "Dr. Riwaz N David"; //example
if (string.IsNullOrWhiteSpace(fullName))
return; //show error
var words = fullName.Trim().Split(' ');
if (words.Length == 1) //only firstname
{
firstName = words[0];
return;
}
if (words.Length == 2) //firstname, lastname
{
firstName = words[0];
lastName = words[1];
return;
}
lastName = words[words.Length - 1]; //David
if (Regex.Match(words[0], "^[A-Za-z]{2,3}[.]$").Success) //Mrs. Dr. etc
{
prefix = words[0]; //Dr.
firstName = string.Join(" ", words.Skip(1).Take(words.Length - 2)); //Riwad N
}
else //when fullName = "Riwaz N David" no prefix
{
firstName = string.Join(" ", words.Take(words.Length - 1)); //Riwaw N
}