1、手机号码的校验
const phoneReg = /^[1][3,4,5,6,7,8,9][0-9]{9}$/
const phoneStr1 = '18886233487'
console.log(phoneReg.test(phoneStr1)) // true
const phoneStr2 = '17283017203897'
console.log(phoneReg.test(phoneStr2)) // false
2、身份证的校验
const sfzReg = /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/
const sfzStr1 = '415106199801012130'
console.log(sfzReg.test(sfzStr1)) // true
const sfzStr2 = '718381298381212183'
console.log(sfzReg.test(sfzStr2)) // false
3、邮箱的校验
const emailReg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/
const emailStrWY = '956666@163.com' // 163邮箱
const emailStrQQ = '956666@qq.com' // qq邮箱
console.log(emailReg.test(emailStrWY)) // true
console.log(emailReg.test(emailStrQQ)) // true
const noEmail = '72873213.com'
console.log(emailReg.test(noEmail)) // false
4、URL的校验
const urlReg = /^((https?|ftp|file):\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/
const urlStr1 = 'https://haha.sunshine.com/xxx/xxx'
console.log(urlReg.test(urlStr1)) // true
const urlStr2 = 'sss://haha.sunshine.com/xxx/xxx'
console.log(urlReg.test(urlStr2)) // false
5、IPv4的校验
const ipv4Reg = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/
const ipv4Str1 = '122.12.56.65'
console.log(ipv4Reg.test(ipv4Str1)) // true
const ipv4Str2 = '122.12.56.655'
console.log(ipv4Reg.test(ipv4Str2)) // false
6、16进制颜色的校验
const color16Reg = /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/
const color16Str1 = '#fff'
console.log(color16Reg.test(color16Str1)) // true
const color16Str2 = '#1234567'
console.log(color16Reg.test(color16Str2)) // false
7、日期 YYYY-MM-DD
const dateReg = /^\d{4}(\-)\d{1,2}\1\d{1,2}$/
const dateStr1 = '2021-10-10'
console.log(dateReg.test(dateStr1)) // true
const dateStr2 = '2021-01-01 1'
console.log(dateReg.test(dateStr2)) // false
8、日期 YYYY-MM-DD hh:mm:ss
const dateReg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/
const dateStr1 = '2021-10-10 16:16:16'
console.log(dateReg.test(dateStr1)) // true
const dateStr2 = '2021-10-10 16:'
console.log(dateReg.test(dateStr2)) // false
9、整数的校验
const intReg = /^[-+]?\d*$/
const intNum1 = 12345
console.log(intReg.test(intNum1)) // true
const intNum2 = 12345.1
console.log(intReg.test(intNum2)) // false
10、小数的校验
const floatReg = /^[-\+]?\d+(\.\d+)?$/
const floatNum = 1234.5
console.log(floatReg.test(floatNum)) // true
11、保留n位小数
function checkFloat(n) {
return new RegExp(`^([1-9]+[\d]*(.[0-9]{1,${n}})?)$`)
}
// 保留2位小数
const floatReg = checkFloat(2)
const floatNum1 = 1234.5
console.log(floatReg.test(floatNum1)) // true
const floatNum2 = 1234.55
console.log(floatReg.test(floatNum2)) // true
const floatNum3 = 1234.555
console.log(floatReg.test(floatNum3)) // false
12、邮政编号的校验
const postalNoReg = /^\d{6}$/
const postalNoStr1 = '522000'
console.log(postalNoReg.test(postalNoStr1)) // true
const postalNoStr2 = '5220000'
console.log(postalNoReg.test(postalNoStr2)) // false
13、QQ号的校验
说明：5-11位数字
const qqReg = /^[1-9][0-9]{4,10}$/
const qqStr1 = '1915801633'
console.log(qqReg.test(qqStr1)) // true
const qqStr2 = '191580163333'
console.log(qqReg.test(qqStr2)) // false
14、微信号的校验
说明：6至20位，以字母开头，字母，数字，减号，下划线
const wxReg = /^[a-zA-Z]([-_a-zA-Z0-9]{5,19})+$/
const wxStr1 = 'linsanxin885577'
console.log(wxReg.test(wxStr1)) // true
const wxStr2 = '厉害了我的vx'
console.log(wxReg.test(wxStr2)) // false
15、车牌号的校验
const carNoReg = /^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9挂学警港澳]{1}$/
const carNoStr1 = '粤A12345'
console.log(carNoReg.test(carNoStr1)) // true
const carNoStr2 = '广东A12345'
console.log(carNoReg.test(carNoStr2)) // false
16、只含字母的字符串
const letterReg = /^[a-zA-Z]+$/
const letterStr1 = 'sunshineLin'
console.log(letterReg.test(letterStr1)) // true
const letterStr2 = 'sunshine_Lin'
console.log(letterReg.test(letterStr2)) // false
17、包含中文的字符串
const cnReg = /[\u4E00-\u9FA5]/
const cnStr1 = '我是sunshine_Lin，林三心'
console.log(cnReg.test(cnStr1)) // true
const cnStr2 = 'sunshine_Lin'
console.log(cnReg.test(cnStr2)) // false
18、密码强度的校验
说明：密码中必须包含字母、数字、特称字符，至少8个字符，最多30个字符
const passwordReg = /(?=.*[0-9])(?=.*[a-zA-Z])(?=.*[^a-zA-Z0-9]).{8,30}/
const password1 = 'sunshine_Lin12345..'
console.log(passwordReg.test(password1)) // true
const password2 = 'sunshineLin12345'
console.log(passwordReg.test(password2)) // false
19、字符串长度n的校验
function checkStrLength(n) {
return new RegExp(`^.{${n}}$`)
}
// 校验长度为3的字符串
const lengthReg = checkStrLength(3)
const str1 = 'hhh'
console.log(lengthReg.test(str1)) // true
const str2 = 'hhhhh'
console.log(lengthReg.test(str2)) // false
20、文件拓展名的校验
function checkFileName (arr) {
arr = arr.map(name => `.${name}`).join('|')
return new RegExp(`(${arr})$`)
}
const filenameReg = checkFileName(['jpg', 'png', 'txt'])
const filename1 = 'sunshine.jpg'
console.log(filenameReg.test(filename1)) // true
const filename2 = 'sunshine.png'
console.log(filenameReg.test(filename2)) // true
const filename3 = 'sunshine.txt'
console.log(filenameReg.test(filename3)) // true
const filename4 = 'sunshine.md'
console.log(filenameReg.test(filename4)) // false
21、匹配img和src
const imgReg = //ig
const htmlStr = "
"
console.log(imgReg.exec(htmlStr))
// [
// "",
// "sunshine.png",
// index: 11,
// input: "",
// groups: undefined
// ]
console.log(imgReg.exec(htmlStr))
// [
// "",
// "sunshine111.png",
// index: 37,
// input: "",
// groups: undefined
// ]
22、匹配html中的注释
const noteReg = //g
const htmlStr = " "
console.log(noteReg.exec(htmlStr))
// [
// "",
// "一个div标签",
// index: 0,
// input: " ",
// groups: undefined
// ]
console.log(noteReg.exec(htmlStr))
// [
// "",
// "一个div标签",
// index: 27,
// input: " ",
// groups: undefined
// ]
23、匹配html中的style
const styleReg = /style="[^=>]*"([(\s+\w+=)|>])/g
const htmlStr = "
"
console.log(styleReg.exec(htmlStr))
// [
// "style="background:#000;">,
// ">",
// index: 5,
// input: "
",
// groups: undefined
// ]
console.log(styleReg.exec(htmlStr))
// [
// "style="color:#fff">",
// ">",
// index: 36,
// input: "
",
// groups: undefined
// ]
24、匹配html中的颜色
const colorReg = /#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/g
const htmlStr = "
"
console.log(colorReg.exec(htmlStr))
// [
// "#000",
// "000",
// index: 23,
// input: "
",
// groups: undefined
// ]
console.log(colorReg.exec(htmlStr))
// [
// "#fff",
// "fff",
// index: 49,
// input: "
",
// groups: undefined
// ]
25、匹配htmlTag（html标签）
const endReg = /<("[^"]*"|'[^']*'|[^'">])*>/g
const htmlStr = "
"
console.log(endReg.exec(htmlStr))
console.log(endReg.exec(htmlStr))
console.log(endReg.exec(htmlStr))
console.log(endReg.exec(htmlStr))
console.log(endReg.exec(htmlStr))
console.log(endReg.exec(htmlStr))
本文摘自掘金