前些天發現了一個巨牛的人工智能學習網站，通俗易懂，風趣幽默，忍不住分享一下給大家。點擊跳轉到教程。?

//去除空格?String.prototype.Trim = function() {?return this.replace(/\s+/g, "");?}?//去除換行?function ClearBr(key) {?key = key.replace(/<\/?.+?>/g,"");?key = key.replace(/[\r\n]/g, "");? // 親測使用此項成功return key;?}?//去除左側空格?function LTrim(str) {?return str.replace(/^\s*/g,"");?}?//去右空格?function RTrim(str) {?return str.replace(/\s*$/g,"");?}?//去掉字符串兩端的空格?function trim(str) {?return str.replace(/(^\s*)|(\s*$)/g, "");?}?//去除字符串中間空格?function CTim(str) {?return str.replace(/\s/g,'');?}?//是否為由數字組成的字符串?function is_digitals(str) {?var reg=/^[0-9]*$/; //匹配整數?return reg.test(str);?}

轉自：https://www.jb51.net/article/86547.htm