welefen

结果

isNumericByRegExp x 1,316,572 ops/sec ±1.16% (87 runs sampled)
isNumeric x 525,836 ops/sec ±1.34% (85 runs sampled)
Fastest is  isNumericByRegExp

测试代码

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#!/bin/sh

#Here's a little one liner that'll do the trick (for passwordless auth) after you've done the ssh-keygen -d:

#how to use:  /skey forum@zjm-forum-test10.zjm

if [ $# -lt 1 ]; then
    echo "usage: $0 <username@host>"
    echo " i.e.: $0 welefen@www.welefen.com"
    echo 

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var iconvLite = require('iconv-lite');

global.convertEncoding = function(str, encoding){
  encoding = encoding || 'utf8';
  if (encoding === 'utf8') {
    return iconvLite.decode(new Buffer(str, 'binary'), 'gb2312');
  }else{
    return iconvLite.encode(str, 'gb2312').toString('binary');
  }
};

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function rawurlencode(str) {
    str = (str+'').toString();        
    return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A');
}

function urlencode(str) {
  return escape(str).replace(/\+/g,'%2B').replace(/%20/g, '+').replace(/\*/g, '%2A').replace(/\//g, '%2F').replace(/@/g, '%40');
}

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/**
 * 动态创建一个类
 * 提供了继承、扩展、调用父级别方法等方法
 * @return {[type]} [description]
 */
global.Class = function (prop) {
	var cls = function () {
		function T(args) {
			if(typeof this.init === 'function'){

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    /**
     * 基于配置的事件代理
     * @param  {[type]} configs [description]
     * @return {[type]}         [description]
     */
    $.fn.delegates = function(configs) {
        el = $(this[0]);
        for (var name in configs) {
            var value = configs[name];
            if (typeof value == 'function') {

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var numberReg = /^((\d*\.?\d*(?:e[+-]?\d*(?:\d?\.?|\.?\d?)\d*)?)|(0[0-7]+)|(0x[0-9a-f]+))$/i

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<?php
$fromYear = 2013;
$fromMonth = 10;

$endYear = 2015;
$endMonth = 5;

$months = ($endYear - $fromYear) * 12 + $endMonth - $fromMonth;

for($i=-1;$i<$months;$i++){

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<?php

/**
 * 获取内容的编码
 * @param string $str
 */
function get_encoding($str = "") {
	$encodings = array (
		'ASCII', 
		'UTF-8', 

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function getDict(length, prefix){
    length = length || 1;
    prefix = prefix || "";
    var chars = "abcdefghijklmnopqrstuvwxyz".split("");
    var result = [];
    chars.forEach(function(char){
        result.push(prefix + char);
        if(length>1){
            result.push.apply(result, getDict(length - 1, char));
        }