level int64 1 6 | regex stringlengths 7 94 | public_description stringlengths 6 67 | hidden_tests dict |
|---|---|---|---|
1 | ^[A-Z]{2}-\d{3}$ | a department code | {
"match": [
"HR-001",
"IT-042",
"QA-999",
"QA-699",
"HR-401",
"ER-001",
"EY-021",
"HU-405",
"ER-701",
"HR-002",
"HU-493",
"HR-496",
"ER-081",
"IT-032",
"OR-081",
"HV-405",
"HV-905",
"XF-701",
"XT-031",
"IT-072"
],
"no_match": [
"... |
1 | ^\d{3}\.\d{3}\.\d{3}-\d{2}$ | a tax identification number | {
"match": [
"123.456.789-00",
"000.111.222-33",
"123.456.789-50",
"123.456.389-00",
"800.111.222-33",
"000.111.212-33",
"123.456.789-60",
"123.456.709-50",
"123.456.787-50",
"003.111.622-33",
"123.496.709-50",
"123.456.789-07",
"800.111.822-33",
"123.456.899-50... |
1 | ^[a-z]\d{3}[a-z]$ | a compact token | {
"match": [
"a123z",
"q007k",
"m555p",
"u007k",
"a133z",
"a125z",
"s007k",
"d153z",
"m955p",
"o154z",
"a175z",
"s007b",
"q047k",
"s067m",
"s907b",
"d155z",
"o354z",
"a195z",
"a103n",
"o154d"
],
"no_match": [
"a12z",
"A123z",
... |
1 | ^\$\d{2}\.\d{2}$ | a small price tag | {
"match": [
"$12.99",
"$00.50",
"$42.00",
"$42.12",
"$92.12",
"$92.42",
"$13.94",
"$13.74",
"$06.54",
"$02.00",
"$15.74",
"$13.76",
"$82.12",
"$13.71",
"$14.76",
"$63.76",
"$42.02",
"$42.42",
"$42.04",
"$13.99"
],
"no_match": [
"... |
1 | ^[A-Z]{3} \d{2}$ | a boarding gate code | {
"match": [
"ABC 12",
"XYZ 07",
"QRS 99",
"QES 99",
"QRS 69",
"XYB 07",
"XYS 03",
"XYZ 67",
"QQS 69",
"XFB 07",
"XYS 83",
"XBS 03",
"XYB 01",
"GYB 01",
"EFB 07",
"TRS 29",
"TRS 22",
"QNS 99",
"XVZ 02",
"XNZ 67"
],
"no_match": [
"... |
1 | ^\d{4}[A-Z]\d{4}$ | a serial number with a check letter | {
"match": [
"1234X5678",
"0000A0000",
"1234S5678",
"0090A0000",
"0090A3000",
"3080A0000",
"9000A0000",
"1234W5678",
"0090A9000",
"0090A3509",
"9010A0000",
"1234F5678",
"0090A0100",
"0090H3000",
"1434X5670",
"0098H3000",
"0050A9000",
"0098I3700",... |
1 | ^[A-Z]{2}\d{6}$ | a passport number | {
"match": [
"AB123456",
"ZZ000111",
"WZ000111",
"BB123454",
"AB120436",
"WZ000112",
"WZ070112",
"ZO000211",
"WZ010112",
"ZO028211",
"WZ910112",
"BB120854",
"BB020854",
"JZ000111",
"WZ910682",
"WZ970482",
"AB120736",
"WZ080112",
"WZ670482",
... |
1 | ^\d{2}/\d{2}/\d{4}$ | a date in day/month/year form | {
"match": [
"15/01/2024",
"31/12/1999",
"15/05/2024",
"45/09/2024",
"15/95/2024",
"43/29/2024",
"15/01/2324",
"15/05/2028",
"65/05/2078",
"13/01/2324",
"65/05/2278",
"65/05/2178",
"63/05/2278",
"67/05/2278",
"85/05/2278",
"15/05/9024",
"15/05/7024",... |
2 | ^\d*\.?\d+$ | a number with an optional decimal point | {
"match": [
"5",
"5.5",
".5",
"100",
"5.8",
"109",
".8",
"105",
"501",
"5.3",
"180",
"8.8",
"460",
"106",
"507",
"930",
"1",
"104",
"504",
"6"
],
"no_match": [
"5.",
"abc",
"5.5.5",
"+5",
"%109",
"1!0",
"4... |
2 | ^[A-Z][a-z]*[0-9]*$ | a capitalized word with an optional trailing number | {
"match": [
"Hello",
"A",
"Item42",
"X9",
"I9",
"Hullo",
"Q",
"O9",
"J9",
"J",
"E",
"S",
"F",
"O4",
"D",
"G4",
"T9",
"Healo",
"Y",
"M9"
],
"no_match": [
"hello",
"9X",
"ABC",
"Hello-1",
"#4",
"YX",
"hEALO"... |
2 | ^[a-z]+_v\d+$ | a versioned resource name | {
"match": [
"model_v2",
"config_v10",
"modei_v2",
"oodei_v2",
"zonfig_v10",
"config_v11",
"oodpi_v2",
"bonfig_v11",
"modei_v1",
"bonfig_v17",
"bynfig_v17",
"modes_v2",
"bygfig_v17",
"oodea_v2",
"confic_v90",
"jygfog_v17",
"contig_v18",
"iodpl_v2... |
2 | ^\d{1,2}[a-z]{2}$ | an ordinal number | {
"match": [
"1st",
"22nd",
"3rd",
"1ix",
"2qx",
"1kz",
"5ix",
"1id",
"4id",
"2qv",
"3rp",
"1wz",
"2qf",
"1md",
"9qc",
"1gu",
"5bd",
"4ud",
"1kn",
"1sb"
],
"no_match": [
"1",
"1s",
"100th",
"1ST",
"5IX",
"2q_x"... |
2 | ^[a-z]{2,}\d{2,}$ | letters then digits, at least two of each | {
"match": [
"ab12",
"hello2024",
"hello2029",
"hello4024",
"ab10",
"ab60",
"nb10",
"ab19",
"dello2029",
"heveo2029",
"ab64",
"hello6024",
"ny10",
"iy11",
"heveo6029",
"deveo2099",
"ab89",
"helyo7024",
"ad11",
"heleo7024"
],
"no_match... |
2 | ^x[0-9a-f]{2,8}$ | a hex token with an x prefix | {
"match": [
"xff",
"x1a2b3c4",
"x1a0b3c4",
"x1a2b3c5",
"x1a0b3c9",
"x1a0b3f4",
"x1a2b2c6",
"x1a2b1c6",
"x1a5b3c5",
"x1a5b9c6",
"x1a2b3f5",
"x1a0b3c3",
"x1f0b3c4",
"x1a2b3c2",
"x9a0b3c4",
"x1a2b3c3",
"x1a0b3c5",
"x5a2b3c3",
"x1a8b3c0",
"x... |
2 | ^[a-z]+\.txt$ | a text filename | {
"match": [
"notes.txt",
"readme.txt",
"rotes.txt",
"rotks.txt",
"roues.txt",
"xotcs.txt",
"readre.txt",
"rouec.txt",
"notzs.txt",
"rbtks.txt",
"ngtes.txt",
"totks.txt",
"rrtkg.txt",
"reaape.txt",
"noted.txt",
"reozre.txt",
"rrttg.txt",
"rmttg.t... |
2 | ^[A-Z]{1,3}\d{1,3}[A-Z]?$ | a short alphanumeric code | {
"match": [
"A1",
"ABC123X",
"Z99",
"O1",
"U99",
"AUC123X",
"O8",
"U3",
"A6",
"A4",
"K1",
"A2",
"W2",
"A9",
"ABT122X",
"A5",
"E1",
"AUC131X",
"AUC631X",
"U1"
],
"no_match": [
"a1",
"ABCD123",
"A1234",
"A1XY",
"a6"... |
3 | ^(\d{1,2})(am|pm)$ | a 12-hour time | {
"match": [
"9am",
"12pm",
"1am",
"7am",
"92pm",
"3am",
"2am",
"5am",
"02pm",
"11pm",
"22pm",
"91pm",
"6am",
"32pm",
"99pm",
"06pm",
"53pm",
"89pm",
"14pm",
"97pm"
],
"no_match": [
"9AM",
"9 am",
"123am",
"am",
"0... |
3 | ^(rgb|hsl)\(\d{1,3},\d{1,3},\d{1,3}\)$ | a CSS color function | {
"match": [
"rgb(255,0,128)",
"hsl(120,50,50)",
"hsl(120,59,50)",
"rgb(250,0,128)",
"rgb(260,4,128)",
"rgb(250,0,120)",
"rgb(260,7,128)",
"hsl(180,50,50)",
"rgb(264,9,128)",
"hsl(020,50,57)",
"hsl(720,50,57)",
"hsl(180,59,50)",
"rgb(270,0,120)",
"rgb(270,9,120)... |
3 | ^[A-Z]+(_[A-Z]+)*$ | a CONSTANT_CASE name | {
"match": [
"MAX",
"MAX_VALUE",
"A_B_C",
"MAH",
"MAX_IALUE",
"MAR",
"MHR",
"MAX_CALUE",
"OUH",
"BAX",
"MAX_IAQUE",
"MRX",
"MAX_VAIUE",
"OUZ",
"UAX",
"MZO",
"MAZ_IAGUE",
"OUI",
"MGX",
"NUI"
],
"no_match": [
"max",
"Max_Value",... |
3 | ^(\+\d{1,3}-)?\d{3}-\d{4}$ | a phone number with an optional country code | {
"match": [
"555-1234",
"+1-555-1234",
"551-1234",
"575-1254",
"521-1234",
"+1-515-1234",
"577-1254",
"551-1274",
"531-1274",
"+1-515-1534",
"+1-595-1534",
"+1-795-1534",
"017-1254",
"777-1254",
"551-1674",
"+1-510-1534",
"055-1334",
"531-1276",... |
3 | ^([A-Z][a-z]+)+$ | a PascalCase word | {
"match": [
"Hello",
"HelloWorld",
"CamelCase",
"XelloWolld",
"Pelao",
"HilloWorlu",
"CamelXase",
"Pelap",
"RilloWorlu",
"Hrlap",
"XelvoWolld",
"CamelDasi",
"CamelCyse",
"XedloWolld",
"VilloWorlu",
"CamelYasi",
"VioloWorlu",
"XelvoNolld",
"C... |
3 | ^(\d{4}|\d{2})-\d{2}$ | a year and month | {
"match": [
"2024-01",
"24-01",
"2064-01",
"64-08",
"2069-71",
"25-00",
"24-05",
"94-51",
"35-07",
"35-02",
"04-03",
"29-00",
"94-58",
"06-03",
"2024-21",
"25-20",
"2024-31",
"44-11",
"25-09",
"27-08"
],
"no_match": [
"1-01",
... |
3 | ^(\w+@)?\w+\.\w+$ | a domain with an optional user | {
"match": [
"example.com",
"user@example.com",
"a.b",
"kxcmple.com",
"kser@example.com",
"kser@exampli.com",
"asel@example.com",
"exampqe.com",
"useb@example.com",
"axel@example.com",
"useb@eqample.com",
"user@ehample.com",
"yxel@example.com",
"kser@exmmpli.com... |
3 | ^(USD|EUR|GBP|JPY)\d+$ | a currency-prefixed amount | {
"match": [
"USD100",
"EUR50",
"JPY9999",
"USD500",
"USD602",
"USD620",
"USD380",
"USD320",
"USD624",
"JPY9919",
"JPY6979",
"JPY9959",
"USD604",
"JPY6379",
"USD622",
"JPY2959",
"USD484",
"USD370",
"JPY9554",
"JPY4999"
],
"no_match": ... |
4 | ^(?=.{8,})[A-Za-z0-9]+$ | an alphanumeric string of at least eight characters | {
"match": [
"abcd1234",
"HelloWorld",
"12345678",
"12045678",
"afcd1234",
"ffcd1236",
"afcd1235",
"abcd1268",
"12065678",
"afcd1934",
"abcd8134",
"abfo1234",
"ZzlloWorld",
"12066678",
"12041678",
"ffid1236",
"abcd1235",
"ZzlloWluld",
"120656... |
4 | ^[^0-9]*[0-9][^0-9]*$ | text containing exactly one digit | {
"match": [
"abc5",
"5abc",
"ab5cd",
"7",
"5kbc",
"mz5cd",
"6",
"abc4",
"ar5cd",
"abc0",
"5rbc",
"apc5",
"5ail",
"akc6",
"abf0",
"5abn",
"fb5cd",
"5qil",
"wbj5",
"1"
],
"no_match": [
"abc",
"12",
"a1b2",
"abcdef",
... |
4 | ^(?!.*ab)[a-z]{3,8}$ | a lowercase word that never contains 'ab' | {
"match": [
"hello",
"xyz",
"cdefg",
"cdemg",
"xbq",
"cdefz",
"cdhfz",
"uello",
"cdtfg",
"xhq",
"xkk",
"hellt",
"okz",
"kejlt",
"uexlo",
"ldemg",
"heelt",
"mku",
"zuq",
"cdyiz"
],
"no_match": [
"cab",
"table",
"AB",
"... |
4 | ^(?=.*\.)[\w.]+$ | a token that must contain a dot | {
"match": [
"a.b",
"file.name.ext",
"x.",
"m.b",
"a.c",
"oile.namc.ext",
"uile.namc.ext",
"uile.nnmc.ext",
"file.name.exg",
"e.c",
"uile.nnmc.ept",
"e.l",
"e.r",
"file.nyme.xxg",
"k.",
"e.m",
"uile.nnmc.exo",
"uile.nnmc.vxq",
"w.",
"uili... |
4 | ^(?!0+$)\d+$ | a number that is not all zeros | {
"match": [
"5",
"100",
"007",
"407",
"454",
"607",
"727",
"417",
"9",
"717",
"114",
"1",
"3",
"6",
"654",
"2",
"017",
"4",
"400",
"8"
],
"no_match": [
"0",
"00",
"000",
"abc",
"_4",
"454 ",
"417-",
"6... |
4 | ^(?=.*[A-Z])[A-Z0-9]+$ | uppercase alphanumeric with at least one letter | {
"match": [
"ABC",
"A1B2",
"X9",
"X5",
"T9",
"A1I2",
"A0B2",
"A6B2",
"A1B5",
"L4",
"A3B1",
"S1B5",
"S6B2",
"R0",
"E1B2",
"A6N3",
"X3B5",
"L5",
"A6B5",
"L0"
],
"no_match": [
"123",
"abc",
"A1!",
"a1b2",
"L0$",
... |
4 | ^(?!.* )[A-Za-z ]+$ | letters and single spaces, no double space | {
"match": [
"John Smith",
"hello world",
"abc",
"Joha Smith",
"dbe",
"sbi",
"Johk Smith",
"John Smita",
"dbf",
"Johk Smitr",
"Hohf Smith",
"dcf",
"dbw",
"Nohn Imith",
"hellq world",
"dce",
"lyc",
"obw",
"xbf",
"xbq"
],
"no_match": [
... |
4 | ^(?=.*-)[a-z-]{3,}$ | a lowercase token that must contain a hyphen | {
"match": [
"a-b",
"well-known",
"x-y-z",
"n-b",
"well-knawn",
"x-p-z",
"aell-knawn",
"wgll-kcawn",
"well-lzown",
"s-y-z",
"x-z-z",
"d-z-z",
"s-b",
"x-z-a",
"s-m",
"cell-lzowu",
"welx-knawn",
"welx-kkiwn",
"well-lrown",
"aqll-knawn"
],... |
5 | ^[A-Z]{2}\d{2} [A-Z]{3}$ | a vehicle registration plate | {
"match": [
"AB12 XYZ",
"CD34 QRS",
"CD34 QRD",
"CD54 QRD",
"CD50 QRD",
"CV34 QRD",
"CE50 QRD",
"RD34 QRM",
"CD54 QPD",
"IE50 QRD",
"RD34 QFM",
"SD34 QRM",
"SK34 QRM",
"SK34 QIM",
"CV34 PRL",
"CP34 PRQ",
"WV34 PRL",
"CD34 QKV",
"SB34 BRM",
... |
5 | ^[a-z0-9-]+\.(com|org|net|io|dev)$ | a domain name | {
"match": [
"example.com",
"my-site.io",
"a1.dev",
"a5.dev",
"axample.com",
"exbmple.com",
"examplx.com",
"my-xite.io",
"exnmplx.com",
"h1.dev",
"examplr.com",
"exampxr.com",
"eqamwlx.com",
"exbwpll.com",
"my-xitj.io",
"q1.dev",
"exampll.com",
"... |
5 | ^\d{1,2}:\d{2} ?(AM|PM)$ | a 12-hour clock time | {
"match": [
"9:30 AM",
"12:00PM",
"1:05 AM",
"12:05PM",
"12:01PM",
"1:10 AM",
"9:10 AM",
"1:03 AM",
"1:63 AM",
"6:10 AM",
"17:01PM",
"27:01PM",
"1:33 AM",
"12:41PM",
"0:10 AM",
"17:00PM",
"17:40PM",
"8:30 AM",
"1:61 AM",
"32:05PM"
],
... |
5 | ^[A-Z]{4}-[A-Z]{4}-[A-Z]{4}-[A-Z]{4}$ | a license key | {
"match": [
"ABCD-EFGH-IJKL-MNOP",
"ZZZZ-AAAA-BBBB-CCCC",
"ABKD-EFGH-IJKL-MIOP",
"ABKF-EFGH-IJKL-MIOP",
"ABCD-EZGH-ILKL-MNOP",
"ZZZZ-AAEA-BBBB-CCCC",
"BBCD-EMGH-IJKL-MNOP",
"ABKD-EFGH-IJQL-MIOP",
"AWKD-EFGH-IJQB-MIOP",
"ABCD-EZGH-ILKL-MOOP",
"ABKD-EFGH-IJEL-MIOP",
"ABC... |
5 | ^#[a-z0-9_]+$ | a hashtag | {
"match": [
"#regex",
"#python3",
"#hello_world",
"#rygex",
"#sygxx",
"#ryaex",
"#sjgxx",
"#pythmn3",
"#pyahon3",
"#helio_world",
"#wygxu",
"#hblls_world",
"#hjlls_world",
"#wyglu",
"#pytjmn3",
"#hjlrs_world",
"#helio_werld",
"#hjlps_world",
... |
5 | ^\d{5}(-\d{4})?$ | a US ZIP code | {
"match": [
"90210",
"90210-1234",
"90214",
"90211",
"90764",
"90774",
"94764",
"90794",
"90797",
"90210-1274",
"90754",
"90759",
"90359",
"20773",
"90781",
"90792",
"90892",
"96764",
"56764",
"94751"
],
"no_match": [
"9021",
... |
5 | ^[a-z]+\.(jpg|png|gif|webp)$ | an image filename | {
"match": [
"photo.jpg",
"icon.png",
"anim.gif",
"xcon.png",
"phovo.jpg",
"icor.png",
"icyn.png",
"kcor.png",
"iion.png",
"phouo.jpg",
"phdvo.jpg",
"lcof.png",
"kjor.png",
"pmovo.jpg",
"pzdvo.jpg",
"pmono.jpg",
"ptovt.jpg",
"lcox.png",
"xcun... |
5 | ^[A-Z][a-z]+, [A-Z][a-z]+$ | a surname-first full name | {
"match": [
"Smith, John",
"Doe, Jane",
"Umitv, John",
"Uyitv, John",
"Dql, Jane",
"Dwe, Janj",
"Uyitv, Jxhn",
"Wmith, John",
"Qyitv, Jxhn",
"Uyiev, Jofn",
"Doe, Wale",
"Dqe, Jane",
"Dqy, Jane",
"Dte, Janj",
"Swe, Janj",
"Dwe, Jaxj",
"Dql, Jrne",
... |
5 | ^\+\d{11,13}$ | an international phone number | {
"match": [
"+12025550173",
"+447911123456",
"+444911123446",
"+448911123456",
"+12025550171",
"+449911123446",
"+447911123056",
"+847911123496",
"+12025560173",
"+12025551173",
"+449971123446",
"+847911103496",
"+12035550171",
"+12825550173",
"+44991118344... |
6 | ^(?=(?:.*\d){3,})[A-Za-z\d]{8,}$ | an alphanumeric code with at least three digits | {
"match": [
"abc12345",
"a1b2c3xy",
"Test123ab",
"u1b2c3xl",
"x1y2c3xl",
"gbc10345",
"x1w2c3xl",
"gbc10548",
"x1w7c3rl",
"x1w8c3xz",
"gbc10343",
"y1h8c3xz",
"a1b9c3cy",
"mbc10343",
"x1w7p3rf",
"wbu10548",
"x1w9c3xz",
"o3w7p3rf",
"x2w9c3xg",
... |
6 | ^(0?[1-9]|1[0-2])/(0?[1-9]|[12]\d|3[01])/\d{4}$ | a US date in M/D/YYYY form | {
"match": [
"1/1/2024",
"12/31/2024",
"03/09/1999",
"1/1/2020",
"12/31/5024",
"1/1/2920",
"1/1/2026",
"08/09/0999",
"1/1/2624",
"1/6/2026",
"12/31/2022",
"1/4/9020",
"2/6/2026",
"12/31/5022",
"1/4/0020",
"1/6/2826",
"1/4/2020",
"1/4/9010",
"... |
6 | ^(?=.{5,10}$)[a-z]+\d+[a-z]+$ | a letter-number-letter token, 5 to 10 chars | {
"match": [
"ab1cd",
"hello9x",
"a12bc",
"x12bg",
"ag4cd",
"ah4cd",
"rb1cd",
"f12bc",
"rb1co",
"gb1cd",
"gb3cd",
"a92bc",
"gb4cg",
"rb7cd",
"nb1md",
"vb7jd",
"heylo9n",
"al4ci",
"hetlo9x",
"ne1md"
],
"no_match": [
"abc",
"ab1... |
6 | ^[A-Za-z0-9._%+-]+@(?:[A-Za-z0-9-]+\.)+[A-Za-z]{2,}$ | a fully-qualified email address | {
"match": [
"john@example.com",
"a.b@mail.co.uk",
"x+y@sub.domain.io",
"a.b@maih.co.uk",
"e.b@maih.co.uk",
"john@exafple.coi",
"x+y@sub.domdin.io",
"x+y@kqb.domdin.io",
"x+y@kqb.domdjn.io",
"x+y@sub.domdif.uo",
"john@exxmple.com",
"x+y@sub.domayn.io",
"john@exxnple... |
6 | ^(?!.* )[A-Za-z]+(?: [A-Za-z]+){1,3}$ | a name of two to four words | {
"match": [
"John Smith",
"a b c",
"Mary Jane Watson",
"Mary Jsne Watsoi",
"Rohn Smith",
"a b u",
"Hohn Smith",
"a t c",
"Hdhn Smith",
"Rohn Amich",
"Rohn Smxth",
"Rohn Umich",
"Roon Umicv",
"d b u",
"Mary Jane Watsgn",
"Rahn Smnth",
"Rohn Amjci",
... |
6 | ^(?=.*[A-Z])(?=.*[!@#$%^&*])[A-Za-z\d!@#$%^&*]{6,12}$ | a code with an uppercase letter and a symbol | {
"match": [
"Pass!1",
"Hello@World",
"ABc#123",
"KBi#123",
"KBl#923",
"Fass!8",
"ABt#124",
"HBi#123",
"Paps!3",
"Pats!1",
"KBi#124",
"AMo#123",
"IIl#923",
"Jass!1",
"HYi#133",
"AMc#123",
"KMi#323",
"Pdss!1",
"CYi#133",
"Fasn!8"
],
"n... |
6 | ^(?=\w{6,10}$)(?=.*\d)(?=.*[A-Z])\w+$ | a 6-to-10 word-character token with a digit and an uppercase letter | {
"match": [
"Abc1234",
"Test_123",
"Hello_99",
"Ueft_123",
"Hello_96",
"Ueft_133",
"Oello_96",
"Hello_19",
"Qells_96",
"Hello_11",
"Qells_91",
"Oeft_133",
"Qeols_96",
"Haslo_11",
"Uedt_133",
"Helqo_96",
"Heyqo_96",
"Oelwo_98",
"Oeft_116",
... |
6 | ^[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}$ | a UUID | {
"match": [
"550e8400-e29b-41d4-a716-446655440000",
"ffffffff-ffff-ffff-ffff-ffffffffffff",
"ffffffff-ffff-ffff-ffff-ffcfffffffff",
"550e8400-e29b-41d4-a716-446655840000",
"ffffffff-ffff-ffff-fffe-ffffffffffff",
"ffffffff-ffff-ffff-efff-ffcfffffffff",
"550e8400-e29b-41d4-a716-446555840070... |
6 | ^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}$ | a mixed-class product key | {
"match": [
"Ab12-cD34-ef56-GH78",
"aB1c-2D3e-4F5g-6H7i",
"aB1c-2D3e-4F5g-6H7a",
"Ab12-cD34-ea56-GQ78",
"aB1c-2M3e-4F5g-6H7i",
"Zb12-cD34-ea56-GQ78",
"aB1c-2M6e-4F5g-6H7i",
"aB1i-2D3e-4F5g-6H7a",
"aB6c-2D3e-4D5g-6H7a",
"aB1c-2M8e-4F5g-6H7i",
"aB6c-2D3e-4D5g-6H2a",
"tB1... |
1 | ^\d{12}$ | a UPC-A barcode | {
"match": [
"012345678905",
"123456789012",
"012345278905",
"012345228605",
"312345278905",
"012343678905",
"123451789012",
"312368278905",
"012345278935",
"312364288905",
"012545278905",
"523451789012",
"014545278905",
"123458789012",
"010345678905",
"... |
1 | ^\d{13}$ | an EAN-13 barcode | {
"match": [
"4006381333931",
"0123456789012",
"0123456789016",
"0123456789716",
"4007381363931",
"4056381333971",
"7006381333937",
"4007301363931",
"4007301663931",
"4007301663933",
"0123356789716",
"3123456780012",
"0183346789716",
"4007701363931",
"400768... |
1 | ^[A-Z]{2}$ | an ISO country code | {
"match": [
"US",
"FR",
"JP",
"YS",
"FV",
"FF",
"KE",
"QP",
"JM",
"FM",
"BU",
"TY",
"FQ",
"TE",
"WF",
"OY",
"MT",
"GM",
"FA",
"FG"
],
"no_match": [
"USA",
"us",
"U1",
"U",
"F",
"Yz",
" FV",
"G",
"j... |
2 | ^-?\d{1,3}\.\d+$ | a decimal coordinate | {
"match": [
"45.5",
"-73.6",
"0.0",
"180.0",
"-75.6",
"1.0",
"0.4",
"15.5",
"95.9",
"184.0",
"-78.6",
"0.6",
"3.4",
"-98.6",
"1.4",
"110.0",
"45.3",
"3.1",
"4.0",
"5.0"
],
"no_match": [
"45",
"45.",
"+45.5",
".5",
... |
2 | ^[IVXLCDM]+$ | a Roman numeral | {
"match": [
"IV",
"XII",
"MCMLXXXIV",
"XXI",
"MCMLXLXIV",
"XIV",
"LCMLXXXIV",
"XDI",
"XDC",
"XXC",
"IDI",
"CDI",
"XDL",
"VCC",
"IDX",
"LCXLXXXIV",
"ILI",
"III",
"XDD",
"MDX"
],
"no_match": [
"iv",
"ABCD",
"X1",
"12",
... |
2 | ^[a-f0-9]{7,40}$ | a git commit hash | {
"match": [
"a1b2c3d",
"deadbeefcafe1234",
"0123456",
"a1b2c6d",
"deabbeefcafe1234",
"0123476",
"a1b2c8d",
"a1b2c2d",
"0183456",
"0233456",
"0123054",
"a4b2c3d",
"0123454",
"0833456",
"0883456",
"a1a2c2d",
"a1b4c2d",
"deadbeefcafe1204",
"a1b... |
3 | ^\d{1,5}/(tcp|udp)$ | a network port with protocol | {
"match": [
"80/tcp",
"443/tcp",
"53/udp",
"83/tcp",
"86/tcp",
"493/tcp",
"483/tcp",
"55/udp",
"70/tcp",
"88/tcp",
"78/tcp",
"75/tcp",
"74/tcp",
"76/tcp",
"02/tcp",
"03/udp",
"491/tcp",
"424/tcp",
"57/udp",
"543/tcp"
],
"no_match": [... |
3 | ^\d+(px|em|rem|vh|vw|%)$ | a CSS dimension | {
"match": [
"10px",
"1rem",
"100%",
"50vh",
"58vh",
"83vh",
"110%",
"106%",
"108%",
"151%",
"63vh",
"606%",
"128%",
"951%",
"810%",
"119%",
"189%",
"408%",
"508%",
"190%"
],
"no_match": [
"px",
"10PX",
"10 px",
"10pt"... |
3 | ^\d{1,3}(\.\d{1,3}){0,3}$ | a dotted version of one to four parts | {
"match": [
"1",
"1.2",
"1.2.3",
"10.20.30.40",
"1.2.4",
"7",
"1.2.9",
"6",
"5",
"1.2.6",
"8.2.9",
"8.2",
"80.20.30.40",
"1.4.0",
"80.50.30.40",
"3",
"1.6.0",
"9",
"0",
"7.3"
],
"no_match": [
".1",
"1.",
"1.2.3.4.5",
... |
3 | ^[a-z0-9]+(-[a-z0-9]+)*$ | a URL slug | {
"match": [
"hello",
"my-post-123",
"a1",
"v1",
"c1",
"hdllo",
"heleo",
"c2",
"l1",
"o6",
"j8",
"my-posv-123",
"b1",
"f6",
"mv-posv-123",
"h8",
"hslvo",
"c8",
"eslvo",
"c0"
],
"no_match": [
"-hello",
"Hello",
"my--post",
... |
4 | ^[A-Za-z0-9+/]+={0,2}$ | a base64 string | {
"match": [
"aGVsbG8=",
"YWJj",
"AA==",
"SGk",
"SGx",
"RGt",
"VGx",
"YWCj",
"SGc",
"YWCe",
"VEx",
"AK==",
"SGt",
"VPx",
"VGl",
"BQc",
"YHTj",
"CHTj",
"YGx",
"YWCl"
],
"no_match": [
"===",
"hello world",
"a@b",
"aGVsbG... |
4 | ^[A-Z][A-Z0-9_]*$ | an environment variable name | {
"match": [
"PATH",
"MY_VAR2",
"X",
"PGTG",
"MY_VAS2",
"R",
"MY_YKR2",
"NATH",
"E",
"J",
"PGHG",
"M",
"Z",
"PQHG",
"L",
"WATY",
"WAOF",
"C",
"U",
"MY_OKR2"
],
"no_match": [
"path",
"1VAR",
"MY-VAR",
"_VAR",
"_",
... |
4 | ^(?!.*__)[a-z][a-z0-9_]*$ | an identifier with no double underscore | {
"match": [
"user",
"my_var",
"a1_b2",
"my_vhr",
"ustr",
"mm_vhr",
"uytr",
"en_vhr",
"v1_b2",
"y2_b2",
"wn_vhh",
"ea_lhr",
"wn_fnh",
"ea_lhw",
"v1_b4",
"wn_ihh",
"my_lar",
"wn_qhh",
"pn_ihr",
"py_iir"
],
"no_match": [
"my__var",
... |
5 | ^[A-Z]{3} \d+(\.\d{2})?$ | a currency amount with a code | {
"match": [
"USD 100",
"EUR 9.99",
"JPY 5000",
"ESR 0.99",
"USD 200",
"EUN 9.99",
"UPD 100",
"KUR 9.99",
"USC 100",
"ESR 1.99",
"USD 180",
"YUR 9.99",
"USC 800",
"EUW 9.99",
"UAC 800",
"DSD 180",
"UQC 800",
"HPD 100",
"EUR 9.89",
"ZPD 90... |
5 | ^UTC[+-]\d{2}:\d{2}$ | a UTC offset | {
"match": [
"UTC+05:30",
"UTC-08:00",
"UTC+00:00",
"UTC+00:05",
"UTC+00:45",
"UTC+00:30",
"UTC+05:80",
"UTC+00:01",
"UTC+05:99",
"UTC+50:05",
"UTC+05:20",
"UTC+90:01",
"UTC-18:00",
"UTC+05:38",
"UTC+02:30",
"UTC+09:01",
"UTC+09:50",
"UTC+70:05",... |
5 | ^(/[a-z0-9_.-]+)+/?$ | a unix file path | {
"match": [
"/usr",
"/usr/local/bin",
"/a/b/",
"/usr/locaa/bin",
"/tmr",
"/exr",
"/cmx",
"/tmg",
"/leg",
"/qsr/locaa/bin",
"/k/b/",
"/k/c/",
"/etr",
"/esr",
"/utu",
"/usg",
"/usr/lical/nin",
"/ear",
"/cmz",
"/mar"
],
"no_match": [
... |
5 | ^[a-z]+/[a-z0-9.+-]+$ | a MIME type | {
"match": [
"text/plain",
"application/json",
"image/svg+xml",
"text/pzain",
"iqage/svg+xml",
"imagq/svg+xml",
"tpxn/pzain",
"imwgv/svg+xml",
"tpxn/ozain",
"image/wvg+xma",
"tixn/ozavn",
"tixn/fzavn",
"ipxn/ozain",
"imwgv/svg+xkl",
"text/ppain",
"emate/... |
5 | ^\d{9}[\dX]$ | an ISBN-10 | {
"match": [
"0306406152",
"123456789X",
"0000000000",
"0007000000",
"0000100009",
"0009000020",
"9306406552",
"0150100009",
"0150104009",
"9306036552",
"0090100009",
"9006036552",
"0150904009",
"9306036542",
"0306036542",
"9000006000",
"0007700020",... |
5 | ^-?\d+(\.\d+)?[CF]$ | a temperature reading | {
"match": [
"20C",
"-5.5F",
"100C",
"-9.5F",
"-9.6F",
"607C",
"00C",
"-5.6F",
"627C",
"08C",
"507C",
"30C",
"-0.6F",
"29C",
"78C",
"38C",
"-9.1F",
"-7.6F",
"03C",
"673C"
],
"no_match": [
"20K",
"20c",
"20 C",
"20.C",
... |
5 | ^v\d+\.\d+\.\d+\+[a-z0-9]+$ | a semantic version with build metadata | {
"match": [
"v1.0.0+build1",
"v2.3.4+abc123",
"v1.0.0+biild2",
"v1.0.0+bjild1",
"v1.0.0+builv1",
"v1.0.0+viild2",
"v1.0.0+biilt2",
"v1.0.0+builv3",
"v1.9.0+bjild1",
"v1.0.0+vnied2",
"v1.0.0+buulv3",
"v1.9.0+bjild6",
"v4.9.0+bjiod1",
"v1.9.0+bjivd6",
"v0.9.0... |
6 | ^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$ | a full IPv6 address | {
"match": [
"2001:0db8:85a3:0000:0000:8a2e:0370:7334",
"fe80:0:0:0:0:0:0:1",
"fe90:7:0:0:0:0:0:1",
"fe98:7:0:0:0:0:0:1",
"2001:0db8:85a3:0005:0000:8a2e:0370:7334",
"2001:0db8:85a3:0003:0000:8a2e:0370:7334",
"fe95:7:0:0:0:0:1:1",
"fe96:7:4:0:0:0:0:1",
"5001:0db8:85a3:0005:0000:8a2e... |
6 | ^-?\d{1,3}\.\d+, ?-?\d{1,3}\.\d+$ | a latitude and longitude pair | {
"match": [
"45.5,-73.6",
"0.0, 0.0",
"-90.0,180.0",
"85.5,-73.6",
"-99.0,130.0",
"-99.2,130.0",
"-90.0,180.4",
"45.5,-74.6",
"-99.2,190.0",
"45.5,-17.6",
"85.5,-73.0",
"84.5,-73.6",
"55.5,-73.6",
"45.5,-77.6",
"45.7,-97.6",
"45.5,-77.3",
"85.5,-23.... |
1 | ^\d{4}-W\d{2}$ | an ISO week | {
"match": [
"2024-W01",
"1999-W52",
"2030-W26",
"1999-W02",
"2822-W01",
"0999-W52",
"2014-W01",
"1999-W04",
"0591-W52",
"1014-W01",
"2044-W01",
"0044-W01",
"0044-W09",
"1905-W02",
"1999-W07",
"1845-W02",
"2010-W26",
"7822-W01",
"2824-W01",
... |
1 | ^\d{4}Q[1-4]$ | a fiscal quarter | {
"match": [
"2024Q1",
"1999Q4",
"2030Q2",
"2524Q1",
"2230Q2",
"2237Q2",
"2564Q1",
"0564Q1",
"8567Q1",
"0029Q1",
"9230Q2",
"7729Q1",
"2424Q1",
"8566Q4",
"5566Q4",
"1497Q4",
"2594Q1",
"0230Q2",
"2779Q1",
"7037Q2"
],
"no_match": [
"... |
1 | ^[01]{8}$ | a byte in binary | {
"match": [
"01010101",
"11111111",
"00000000",
"01010111",
"01011111",
"01110101",
"01010100",
"01011011",
"01111101",
"01111011",
"01011110",
"00011111",
"11011111",
"01010000",
"00001111",
"01101101",
"11011011",
"11010101",
"10111111",
... |
2 | ^\d{1,3}%$ | a percentage | {
"match": [
"50%",
"100%",
"7%",
"108%",
"000%",
"51%",
"090%",
"3%",
"800%",
"190%",
"80%",
"002%",
"96%",
"890%",
"118%",
"11%",
"030%",
"508%",
"418%",
"390%"
],
"no_match": [
"50",
"1000%",
"50 %",
"%50",
"96"... |
2 | ^0x[0-9A-Fa-f]+$ | a hexadecimal literal | {
"match": [
"0xFF",
"0x1a2b",
"0xdeadBEEF",
"0x1a2d",
"0x1a6b",
"0x1a0b",
"0x5a6b",
"0x3a2b",
"0x5a1b",
"0x1a0d",
"0x9a0b",
"0x4a0b",
"0x9d0b",
"0x2a1b",
"0x7a0b",
"0x0a0b",
"0x5a2d",
"0x2a0b",
"0x5a7d",
"0x5a0b"
],
"no_match": [
... |
2 | ^0o[0-7]+$ | an octal literal | {
"match": [
"0o755",
"0o17",
"0o0",
"0o15",
"0o14",
"0o37",
"0o47",
"0o6",
"0o2",
"0o45",
"0o3",
"0o07",
"0o65",
"0o54",
"0o41",
"0o735",
"0o16",
"0o705",
"0o715",
"0o34"
],
"no_match": [
"0o8",
"755",
"0O17",
"0o",
... |
2 | ^<[a-z][a-z0-9]*>$ | an opening HTML tag | {
"match": [
"<div>",
"<h1>",
"<p>",
"<y1>",
"<y8>",
"<h>",
"<dij>",
"<x>",
"<a>",
"<djv>",
"<z1>",
"<dii>",
"<dcj>",
"<aij>",
"<l>",
"<ljv>",
"<u1>",
"<diw>",
"<h8>",
"<h6>"
],
"no_match": [
"<DIV>",
"<div",
"div>",
"... |
2 | ^[~^]?\d+\.\d+\.\d+$ | a semver range specifier | {
"match": [
"1.2.3",
"^1.0.0",
"~2.3.4",
"7.2.3",
"^9.0.0",
"^9.0.4",
"7.2.4",
"1.7.3",
"^9.0.8",
"1.2.4",
"^9.0.1",
"^9.6.1",
"1.7.2",
"^5.6.1",
"~2.3.5",
"^8.0.0",
"7.2.0",
"~2.9.5",
"1.2.2",
"7.2.1"
],
"no_match": [
">1.2.3",
... |
3 | ^\d{1,3}(\.\d{1,3}){3}/\d{1,2}$ | a CIDR network block | {
"match": [
"192.168.0.0/24",
"10.0.0.0/8",
"172.16.0.0/12",
"122.168.0.0/14",
"122.168.2.0/14",
"122.161.2.0/14",
"190.168.1.0/24",
"122.268.0.0/14",
"122.568.2.0/14",
"722.261.0.0/14",
"722.261.0.0/74",
"112.168.0.0/24",
"112.128.0.0/24",
"722.261.0.0/17",
... |
2 | ^:[a-z_]+:$ | an emoji shortcode | {
"match": [
":smile:",
":thumbs_up:",
":fire:",
":thumrs_up:",
":fiqe:",
":smiee:",
":smive:",
":hbqe:",
":hbta:",
":file:",
":hblh:",
":fgle:",
":smilg:",
":smolg:",
":kire:",
":hvqe:",
":seive:",
":smicg:",
":hnqe:",
":hfqe:"
],
"n... |
2 | ^[a-z]+://[^\s]+$ | a URI with a scheme | {
"match": [
"http://a.b",
"ws://x/y",
"ftp://files.example.com/path",
"htvp://z.b",
"htcp://a.b",
"http://x.b",
"ftp://files.examplw.com/path",
"ws://h/y",
"htvp://x.b",
"ftp://frles.example.com/path",
"httg://a.b",
"htxp://a.b",
"htts://a.b",
"ws://h/s",
"... |
5 | ^\$\d{1,3}(,\d{3})*(\.\d{2})?$ | a US dollar amount | {
"match": [
"$1,000",
"$42.50",
"$1,234,567.89",
"$5",
"$1,234,517.19",
"$7",
"$4",
"$1",
"$1,234,417.19",
"$1,294,417.19",
"$1,237,565.89",
"$1,230,567.89",
"$1,234,367.19",
"$1,234,567.29",
"$1,214,417.16",
"$1,294,412.19",
"$4,214,417.16",
"$... |
5 | ^[A-Za-z0-9_-]{11}$ | a video id | {
"match": [
"dQw4w9WgXcQ",
"abcDEF12345",
"___--___--_",
"abcDEH12545",
"dRw4w9WgXcQ",
"abcDEV12345",
"abtDEH12545",
"dQw9w9WgXjQ",
"abtDEH12595",
"arfDEF12345",
"abcDGV12345",
"gbcDGV12345",
"gfcDGV12345",
"abtEEH12545",
"cbcDGV16345",
"abcDYF12345",
... |
5 | ^\+\d{1,3}-\d{3}-\d{3}-\d{4}$ | a dashed international phone number | {
"match": [
"+1-202-555-0173",
"+44-020-946-0123",
"+1-202-555-8170",
"+1-202-555-7170",
"+1-202-565-7170",
"+1-202-558-8170",
"+1-292-555-8170",
"+1-102-555-8170",
"+1-202-555-9120",
"+1-202-552-7170",
"+44-027-946-0123",
"+1-200-555-8170",
"+1-202-552-7470",
... |
6 | ^-?\d+(\.\d+)?[eE][+-]?\d+$ | a number in scientific notation | {
"match": [
"1e10",
"-2.5E-3",
"6.022e23",
"8e15",
"6.422e25",
"3e15",
"0e15",
"3e85",
"-2.5E-0",
"6.422e62",
"8e85",
"9.422e85",
"8.022e63",
"0e85",
"6.722e62",
"-2.5E-4",
"0e13",
"6.422e95",
"6e85",
"6.322e62"
],
"no_match": [
... |
6 | ^([A-Za-z0-9_-]+)\.([A-Za-z0-9_-]+)\.([A-Za-z0-9_-]+)$ | a JWT token | {
"match": [
"aaa.bbb.ccc",
"eyJhbGc.eyJzdWI.SflKxw",
"laa.bbb.ccc",
"uaa.bbb.ccc",
"uta.bbb.ccc",
"laa.bbp.ccc",
"laa.bbi.ccc",
"aaa.bcb.ccc",
"gia.bbb.ccc",
"gia.bbb.csc",
"aaa.bcu.ccc",
"baa.bbb.ccc",
"laa.bbs.ccc",
"gia.bbk.ccc",
"gia.bbb.cst",
"faa.... |
1 | ^\d{3} \d{3} \d{3}$ | a space-grouped number | {
"match": [
"123 456 789",
"000 111 222",
"000 112 222",
"000 111 272",
"000 111 182",
"000 111 152",
"123 456 787",
"005 111 222",
"008 111 272",
"000 194 152",
"002 912 222",
"600 111 182",
"123 450 789",
"123 157 789",
"008 111 152",
"600 311 182",
... |
2 | ^--[a-z-]+$ | a CSS custom property | {
"match": [
"--main-color",
"--x",
"--primary",
"--prjmary",
"--nrimary",
"--drimary",
"--nrvmary",
"--main-cosor",
"--prjmara",
"--prjmkry",
"--nrvmafy",
"--prjmard",
"--nrvmfry",
"--pmjmary",
"--q",
"--mabn-golor",
"--frjmara",
"--primnrt",
... |
2 | ^&[a-z]+;$ | an HTML entity | {
"match": [
"&",
" ",
"<",
"&lo;",
"&lc;",
"&fo;",
"&pmp;",
"&lmp;",
"&lxp;",
"&ump;",
"&tmk;",
"&psp;",
"&rc;",
"&lmg;",
"&yo;",
"&psk;",
"&phk;",
"&nt;",
"&puk;",
"&wo;"
],
"no_match": [
"&",
"amp;",
"&AM... |
2 | ^\d{1,2}:\d{1,2}$ | an aspect ratio | {
"match": [
"16:9",
"4:3",
"1:1",
"66:9",
"56:1",
"56:9",
"4:2",
"4:1",
"66:1",
"60:1",
"8:2",
"56:8",
"26:9",
"66:0",
"89:9",
"5:3",
"36:9",
"89:6",
"65:1",
"4:0"
],
"no_match": [
"16-9",
"16:",
":9",
"160:90",
"... |
2 | ^P\d+[YMD]$ | a simple ISO 8601 duration | {
"match": [
"P1Y",
"P30D",
"P6M",
"P7Y",
"P1M",
"P36D",
"P88D",
"P15D",
"P8M",
"P65D",
"P4Y",
"P0Y",
"P38D",
"P24D",
"P76D",
"P21D",
"P33D",
"P63D",
"P4M",
"P66D"
],
"no_match": [
"P",
"1Y",
"P1y",
"PT1H",
"P65D$"... |
2 | ^\{\{[a-z.]+\}\}$ | a template placeholder | {
"match": [
"{{name}}",
"{{user.email}}",
"{{nace}}",
"{{nach}}",
"{{usir.email}}",
"{{namj}}",
"{{hach}}",
"{{ntch}}",
"{{nkch}}",
"{{hams}}",
"{{hash}}",
"{{nwcq}}",
"{{usiv.emaik}}",
"{{rame}}",
"{{user.emcil}}",
"{{kdir.email}}",
"{{nuch}}",
... |
3 | ^4\d{12}(\d{3})?$ | a Visa card number | {
"match": [
"4111111111111",
"4111111111111111",
"4101111411111",
"4911111111111",
"4101111111111",
"4911281111111",
"4911115111181",
"4111111311111",
"4101112411611",
"4911111311111",
"4111111111191111",
"4103112411621",
"4809111411111",
"4111115111181",
"... |
3 | ^\[[^\]]+\]\([^)]+\)$ | a markdown link | {
"match": [
"[text](url)",
"[a](http://x)",
"[click here](https://example.com)",
"[cexe](url)",
"[bext](url)",
"[a](http://u)",
"[bexu](url)",
"[click herv](https://example.com)",
"[texi](url)",
"[cleck herv](https://exampfe.com)",
"[text](krm)",
"[nexe](url)",
"[b... |
5 | ^\$\{[A-Z_]+\}$ | a shell variable reference | {
"match": [
"${HOME}",
"${MY_VAR}",
"${PATH}",
"${HGML}",
"${MY_HAR}",
"${QY_VAR}",
"${HORE}",
"${HKRE}",
"${MY_GAR}",
"${HKRW}",
"${ROME}",
"${FOME}",
"${HIYL}",
"${ZIYL}",
"${HKOH}",
"${PAIH}",
"${HUYL}",
"${HUTL}",
"${OIYD}",
"${TKRP}... |
5 | ^[a-z]{2}_[A-Z]{2}\.UTF-8$ | a POSIX locale | {
"match": [
"en_US.UTF-8",
"fr_CA.UTF-8",
"en_UX.UTF-8",
"en_UL.UTF-8",
"fi_IA.UTF-8",
"dn_US.UTF-8",
"fr_CU.UTF-8",
"dn_UO.UTF-8",
"ci_IA.UTF-8",
"en_AX.UTF-8",
"de_US.UTF-8",
"xn_AX.UTF-8",
"kr_CU.UTF-8",
"kr_PU.UTF-8",
"fd_CU.UTF-8",
"id_CU.UTF-8",
... |
5 | ^[A-Z]{6}[A-Z0-9]{2}([A-Z0-9]{3})?$ | a SWIFT/BIC code | {
"match": [
"DEUTDEFF",
"DEUTDEFF500",
"NEDSZAJJ",
"NEDSGAJJ",
"DEUSDEFF500",
"DEUTDEFF520",
"DEUSAEFF500",
"ZEUSDEFF530",
"DEUTDEFF525",
"DEUODEFF520",
"DEUODEFF529",
"DEUODOFP520",
"DEUODOFP320",
"DEUOPEUF520",
"DEUODXFF509",
"DEUSAEFF590",
"DEUOD... |
6 | ^(?=.{1,16}$)(?!.*\.\.)[a-z0-9._]+$ | a length-bounded handle with no double dot | {
"match": [
"john.doe",
"user_1",
"a.b.c",
"a.x.c",
"jonn.doe",
"vser_1",
"tseq_1",
"vuer_1",
"zuer_1",
"uszr_1",
"vser_2",
"yspr_1",
"fohn.due",
"vsen_2",
"lser_1",
"yswr_1",
"vsea_2",
"y.b.c",
"uszr_9",
"fser_1"
],
"no_match": [
... |
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