Javascript 只有空格和字母的正则表达式?
声明:本页面是StackOverFlow热门问题的中英对照翻译,遵循CC BY-SA 4.0协议,如果您需要使用它,必须同样遵循CC BY-SA许可,注明原文地址和作者信息,同时你必须将它归于原作者(不是我):StackOverFlow
原文地址: http://stackoverflow.com/questions/12778083/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
regex with space and letters only?
提问by Aoi M. Serizawa
I made a regular expression that only accepts letters. I'm not really good in regex, thats why I don't know how to include spaces in my regex.
我做了一个只接受字母的正则表达式。我不太擅长正则表达式,这就是为什么我不知道如何在正则表达式中包含空格。
My HTML:
我的 HTML:
<input id="input" />
My js / jQuery code:
我的 js/jQuery 代码:
$('#input').on('keyup', function() {
var RegExpression = /^[a-zA-Z]*$/;
if (RegExpression.test($('#input').val())) {
}
else {
$('#input').val("");
}
});?
回答by Pragnesh Chauhan
use this expression
使用这个表达
var RegExpression = /^[a-zA-Z\s]*$/;
for more refer this http://tools.netshiftmedia.com
有关更多信息,请参阅http://tools.netshiftmedia.com
回答by Fabrizio Calderan
$('#input').on('keyup', function() {
var RegExpression = /^[a-zA-Z\s]*$/;
...
});
\s
will allow the space
\s
将允许空间
回答by Tats_innit
Try this demo please: http://jsfiddle.net/sgpw2/
请尝试这个演示:http: //jsfiddle.net/sgpw2/
Thanks Jan for spaces \s
rest there is some good detail in this link:
感谢 Jan 的空间\s
休息,此链接中有一些很好的细节:
http://www.jquery4u.com/syntax/jquery-basic-regex-selector-examples/#.UHKS5UIihlI
http://www.jquery4u.com/syntax/jquery-basic-regex-selector-examples/#.UHKS5UIihlI
Hope it fits your need :)
希望它适合您的需要 :)
code
代码
$(function() {
$("#field").bind("keyup", function(event) {
var regex = /^[a-zA-Z\s]+$/;
if (regex.test($("#field").val())) {
$('.validation').html('valid');
} else {
$('.validation').html("FAIL regex");
}
});
});?
回答by Jayant Muthekar
Allowed only characters & spaces. Ex : Jayant Lonari
只允许字符和空格。前任 :Jayant Lonari
if (!/^[a-zA-Z\s]+$/.test(NAME)) {
//Throw Error
}