js验证开头不为零的正整数

js验证开头不为零的正整数

WST.zhengZhengShuIn = function (className){var rex = /^[1-9]{1}[0-9]*$/;//正整数$("."+className).keyup(function(event){var event = event || window.event;var value = $(this).val();if(value.length>1){var flagRex =/^0/;st(value)){layer.msg('首个字符不能为0',{time:1500});$(this).val('');}}});$("."+className).keypress(function(event){var event = event || window.event;if (event.charCode == 46 && event.charCode !== 0 && event.charCode < 48 || event.charCode > 57) {return false;}if (/./.test($(this).val()) && event.charCode === 46) {return false;}if ($(this).val() === "" && event.charCode === 46) {return false;}var tails = ($(this).val()).split(".")[1];if (tails && tails.length === 2 && event.charCode !== 0) {return false;}});}

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