给定一个这样的字符串:
"The dog has a long tail, and it is RED!"
什么样的jQuery或JavaScript魔法可以用来保持空间只有一个最大空间?
目标:
"The dog has a long tail, and it is RED!"
给定一个这样的字符串:
"The dog has a long tail, and it is RED!"
什么样的jQuery或JavaScript魔法可以用来保持空间只有一个最大空间?
目标:
"The dog has a long tail, and it is RED!"
当前回答
这个脚本删除了单词和修饰之间的任何空白(多个空格,制表符,返回值等):
// Trims & replaces any wihtespacing to single space between words
String.prototype.clearExtraSpace = function(){
var _trimLeft = /^\s+/,
_trimRight = /\s+$/,
_multiple = /\s+/g;
return this.replace(_trimLeft, '').replace(_trimRight, '').replace(_multiple, ' ');
};
其他回答
var string = "The dog has a long tail, and it is RED!";
var replaced = string.replace(/ +/g, " ");
或者如果你也想替换制表符:
var replaced = string.replace(/\s+/g, " ");
更健壮的:
function trim(word) { word = word.replace(/[^\x21-\x7E]+/g, ' '); // change non-printing chars to spaces return word.replace(/^\s+|\s+$/g, ''); // remove leading/trailing spaces }
var str = "The dog has a long tail, and it is RED!";
str = str.replace(/ {2,}/g,' ');
编辑: 如果你想替换所有类型的空白字符,最有效的方法是这样的:
str = str.replace(/\s{2,}/g,' ');
let nameCorrection = function (str) {
let strPerfect = str.replace(/\s+/g, " ").trim();
let strSmall = strPerfect.toLowerCase();
let arrSmall = strSmall.split(" ");
let arrCapital = [];
for (let x of arrSmall.values()) {
arrCapital.push(x[0].toUpperCase() + x.slice(1));
}
let result = arrCapital.join(" ");
console.log(result);
};
nameCorrection("Pradeep kumar dHital");
为了获得更多的控制,您可以使用replace回调来处理该值。
value = "tags:HUNT tags:HUNT tags:HUNT tags:HUNT"
value.replace(new RegExp(`(?:\\s+)(?:tags)`, 'g'), $1 => ` ${$1.trim()}`)
//"tags:HUNT tags:HUNT tags:HUNT tags:HUNT"