Js verification functions and some common functions

Var $ email_regw + ([-+] w +) * @ w + ([-] w +) * w + ([-] w +) * $; var $ int_reg ^ d + $; var $ float_reg ^ d + (d {1, 2 })? $; Var $ time_reg ^ ([0-1]? [0-9] | 2 [0-3]): [0-5]

var $email_reg = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;var $int_reg = /^\d+$/;var $float_reg = /^\d+(\.\d{1,2})?$/;var $time_reg = /^([0-1]?[0-9]|2[0-3]):[0-5][0-9]$/;var $date_reg = /^[0-9]{4}\-(0[0-9]|1[0-2])\-([0-2][0-9]|3[0-1])$/;var $date_time_reg = /^[0-9]{4}\-(0[0-9]|1[0-2])\-([0-2][0-9]|3[0-1]) ([0-1]?[0-9]|2[0-3]):[0-5][0-9]$/;var $lower_reg = /[a-z]/;var $upper_reg = /[A-Z]/;var $inter_reg = /[0-9]/;$js_date_lang = {aWeekStr: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],aLongWeekStr:["Sunday", "Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],aMonStr: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],aLongMonStr: ["January","February","March","April","May","June","July","August","September","October","November","December"]}String.prototype.htmlspecialchars = function(){return this.replace(/\&/g,'&').replace(/\"/g,'"')/*.replace(/\'/g,''')*/.replace(/\/g,'>')};String.prototype.unhtmlspecialchars = function(){return this.replace(/\&\;/g,'&').replace(/\"\;/g,'"').replace(/\'\;/g,'\'').replace(/\<\;/g,'<').replace(/\>\;/g,'>')};function UpperFirstLetter(str){return str.replace(/\b\w+\b/g, function(word) {return word.substring(0,1).toUpperCase( ) +word.substring(1);});}