Useful Regex Patterns (Forked from Regex Hub)

patterns.js

export const patterns = [{
	name:"Date in format dd/mm/yyyy",
	regex:/^(0?[1-9]|[12][0-9]|3[01])([ /\-])(0?[1-9]|1[012])\2([0-9][0-9][0-9][0-9])(([ -])([0-1]?[0-9]|2[0-3]):[0-5]?[0-9]:[0-5]?[0-9])?$/,
	description:"Will match dates with dashes, slashes or with spaces (e.g. dd-mm-yyyy dd/mm/yyyy dd mm yyyy), and optional time separated by a space or a dash (e.g. dd-mm-yyyy-hh:mm:ss or dd/mm/yyyy hh:mm:ss).",
	tags:"date,time"
},
{
	name:"Time in 24-hour format",
	regex:/^([01]?[0-9]|2[0-3]):[0-5][0-9]$/,
	description: "Match times in 24 hour format",
	tags:"date,time"
},
{
	name: "Date and time in ISO-8601 format",
	regex: /^(?![+-]?\d{4,5}-?(?:\d{2}|W\d{2})T)(?:|(\d{4}|[+-]\d{5})-?(?:|(0\d|1[0-2])(?:|-?([0-2]\d|3[0-1]))|([0-2]\d{2}|3[0-5]\d|36[0-6])|W([0-4]\d|5[0-3])(?:|-?([1-7])))(?:(?!\d)|T(?=\d)))(?:|([01]\d|2[0-4])(?:|:?([0-5]\d)(?:|:?([0-5]\d)(?:|\.(\d{3})))(?:|[zZ]|([+-](?:[01]\d|2[0-4]))(?:|:?([0-5]\d)))))$/,
	description: "Will match a valid date and times in the ISO-8601 format, excludes durations.",
	tags: "date,time"
},
{
	name:"HTML tags",
	regex:/^<([a-z1-6]+)([^<]+)*(?:>(.*)<\/\1>| *\/>)$/,
	description:"Match opening and closing HTML tags with content between",
	tags:"markup,xml,html"
},
{
	name:"Username",
	regex:/^[a-zA-Z0-9_-]{3,16}$/,
	description:"A string between 3 and 16 characters, allowing alphanumeric characters and hyphens and underscores",
	tags:"username,validation"
},
{
	name:"Hex Color Value",
	regex:/^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/,
	description:"RGB hex colors",
	tags:"hex,color"
},
{
	name:"URL Slug",
	regex:/^[a-z0-9-]+$/,
	description:"Match valid URL slugs",
	tags:"URL"
},
{
	name:"Email",
	regex:/^.+@.+$/,
	description:"Verify that there is an @ symbol with something before it",
	tags:"email,validation"
},
{
	name:"SRC of image tag",
	regex:/^<\s*img[^>]+src\s*=\s*(["'])(.*?)\1[^>]*>$/,
	description:"Match the src attribute of an HTML image tag",
	tags:"html,tag,image"
},
{
	name:"URL",
	regex:/^((https?|ftp|file):\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/,
	description:"Match URL with optional protocol",
	tags:"url,address,http"
},
{
	name:"IPv4 Address",
	regex:/^(?:(?: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]?)$/,
	description:"Match IP v4 addresses",
	tags:"tcpip,internet,address"
},
{
	name:"IPv6 Address",
	regex:/^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$/,
	description: "Match IP v6 addresses",
	tags:"tcpip,internet,address"
},
{
	name:"Positive Integer",
	regex:/^\d+$/,
	descriptions:"Match whole numbers above zero",
	tags:"number"
},
{
	name:"Negative Integer",
	regex:/^-\d+$/,
	description:"Match whole numbers below zero",
	tags:"number"
},
{
	name:"Integer",
	regex:/^-?\d+$/,
	description:"Match whole numbers, above or below zero",
	tags:"number"
},
{
	name:"Positive number",
	regex:/^\d*\.?\d+$/,
	description:"Match integers or floats that are positive",
	tags:"float"
},
{
	name:"Negative number",
	regex:/^-\d*\.?\d+$/,
	description:"Match integers or floats that are negative",
	tags:"float"
},
{
	name:"Positive or negative number",
	regex:/^-?\d*\.?\d+$/,
	description:"Match integers or floats that are positive or negative",
	tags:"float"
},
{
	name:"Phone number",
	regex:/^\+?(\d.*){3,}$/, // (\+38)?[\s\-\(\)0-9]{10,}
	description:"Match phone numbers at least 3 digits long",
	tags:"validation"
},
{
	name:"New line",
	regex:/[\r\n]|$/,
	description:"Match new lines within text",
	tags:"text"
},
{
	name:"ID of Youtube video",
	regex:/https?:\/\/(?:youtu\.be\/|(?:[a-z]{2,3}\.)?youtube\.com\/watch(?:\?|#\!)v=)([\w-]{11}).*/gi,
	description:"Match the ID of a youtube video URL",
	tags:"video,youtube,url"
},
{
	name:"ID of Youtube Channel",
	regex:/https?:\/\/(www\.)?youtube.com\/channel\/UC([-_a-z0-9]{22})/i,
	description:"Match the ID of a youtube channel URL",
	tags:"channel,youtube,url"
},
{
	name:"CSS comment",
	regex:/\/\*[^*]*\*+([^/*][^*]*\*+)*\//,
	description:"Match standard CSS comments",
	tags:"css,comment,code"
},
{
	name:"Wordpress shortcodes",
	regex:/^\[([a-z-_0-9]+)([^\[]+)*(?:\](.*)\[\/\1\]|\s+\/\])$/,
	description:"Matches opening and closing shortcode tags with content in-between them.",
	tags:"wordpress,shortcodes,markup"
},
{
	name:"U.S./Canadian ZIP/Postal Code",
	regex:/(^\d{5}(-\d{4})?$)|(^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1} *\d{1}[A-Z]{1}\d{1}$)/,
	description:"Matches US ZIP, ZIP+4, and Canadian Postal Codes",
	tags:"address, postal, zip"
},
{
	name:"Brazilian ZIP/Postal Code",
	regex:/^[0-9]{5}-[0-9]{3}$/,
	description:"Matches BR ZIP/Postal Code",
	tags:"address, postal, zip"
},
{
	name:"Morse Code",
	regex:/^[.-]{1,5}(?:[ \t]+[.-]{1,5})*(?:[ \t]+[.-]{1,5}(?:[ \t]+[.-]{1,5})*)*$/,
	description:"Matches valid Morse Code",
	tags:"morse, code"
},
{
	name:"Image shortcode",
	regex:/\[img\](.*?)\[\/img\]/,
	description:"Matches the content in between [img][/img]. Useful for making dynamic WYSIWYG editors",
	tags:"img, shortcode, wysiwyg"
},
{
	name:"Brainfuck Code",
	regex:/^[+-<>.,\[\] \t\n\r]+$/,
	description:"Matches valid code for a brainfuck program.",
	tags:"brainfuck, code"
}
];