38 lines
988 B
JavaScript
38 lines
988 B
JavaScript
exports.randomChar = function(l) {
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let x = "0123456789qwertyuioplkjhgfdsazxcvbnm";
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let tmp = "";
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for(let i = 0;i < l; i++) {
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tmp += x.charAt(Math.ceil(Math.random()*100000000)%x.length);
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}
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return tmp;
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};
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exports.randomNumber = function(l) {
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let x = "0123456789";
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let tmp = "";
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for(let i = 0;i < l; i++) {
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tmp += x.charAt(Math.ceil(Math.random()*100000000)%x.length);
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}
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return tmp;
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};
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exports.validateEmail = function (email) {
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let re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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return re.test(email);
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};
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function rnd() {
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let today = new Date();
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let seed = today.getTime();
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seed = (seed * 9301 + 49297) % 233280;
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return seed / (233280.0);
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}
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function cr(number) {
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return Math.ceil(rnd() * number);
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}
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function isNumber() {
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let r = /^[0-9]*[1-9][0-9]*$/;
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return r.test(str);
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} |