datafile.txt #文件 Man: this is the right room for an argument. Other Man: I've told you once. Man: No you haven't Other Man: Yes, I have. (pause) Man: When? Other Man: Just now. Man: No you didn't Other Man: Yes I did. Man: You didn't Other Man: I'm…
CharSequence就是字符序列,String, StringBuilder和StringBuffer都是其实现类. 模仿String.trim() 实现了一个CharSequence通用的去除两端空格方法. public static CharSequence trim(CharSequence cs) { int len = cs.length(); int st = 0; while ((st < len) && (cs.charAt(st) <= ' ')) { s…
/ 功能: 1)去除字符串前后所有空格 // 2)去除字符串中所有空格(包括中间空格,需要设置第2个参数为:g) function Trim(str,is_global) { var result; result = str.replace(/(^\s+)|(\s+$)/g,""); if(is_global.toLowerCase()=="g") result = result.replace(/\s/g,""); return result;…
第一种:循环检查替换 [javascript] //供使用者调用 function trim(s){ return trimRight(trimLeft(s)); } //去掉左边的空白 function trimLeft(s){ if(s == null) { return ""; } var whitespace = new String(" \t\n\r"); var str = new String(s); if (whitespace.indexOf(st…