Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
gm

Test String

Code Generator

Language

Generated Code

const regex = /[^+0-9\n]+[^(?:\s+0-9)*]/gm; // Alternative syntax using RegExp constructor // const regex = new RegExp('[^+0-9\\n]+[^(?:\\s+0-9)*]', 'gm') const str = `🇦🇫 Afghanistan +93 🇦🇽 Åland Islands +358 🇦🇱 Albania +355 🇩🇿 Algeria +213 🇦🇸 American Samoa +1684 🇦🇩 Andorra +376 🇦🇴 Angola +244 🇦🇮 Anguilla +1264 🇦🇬 Antigua & Barbuda +1268 🇦🇷 Argentina +54 🇦🇲 Armenia +374 🇦🇼 Aruba +297 🇦🇺 Australia +61 🇦🇹 Austria +43 🇦🇿 Azerbaijan +994 🇧🇸 Bahamas +1242 🇧🇭 Bahrain +973 🇧🇩 Bangladesh +880 🇧🇧 Barbados +1246 🇧🇾 Belarus +375 🇧🇪 Belgium +32 🇧🇿 Belize +501 🇧🇯 Benin +229 🇧🇲 Bermuda +1441 🇧🇹 Bhutan +975 🇧🇴 Bolivia +591 🇧🇦 Bosnia & Herzegovina +387 🇧🇼 Botswana +267 🇧🇷 Brazil +55 🇮🇴 British Indian Ocean Territory +246 🇻🇬 British Virgin Islands +1284 🇧🇳 Brunei +673 🇧🇬 Bulgaria +359 🇧🇫 Burkina Faso +226 🇧🇮 Burundi +257 🇰🇭 Cambodia +855 🇨🇲 Cameroon +237 🇨🇦 Canada +1 🇨🇻 Cape Verde +238 🇳🇱 Carribbean Netherlands +599 🇰🇾 Cayman Islands +1345 🇨🇫 Central African Republic +236 🇹🇩 Chad +235 🇨🇱 Chile +56 🇨🇳 China +86 🇨🇽 Christmas Islands +61 🇨🇨 Cocos Islands +61 🇨🇴 Colombia +57 🇰🇲 Comoros +269 🇨🇩 Congo-Kinshasa +243 🇨🇬 Congo-Brazzaville +242 🇨🇰 Cook Islands +682 🇨🇷 Costa Rica +506 🇭🇷 Croatia +385 🇨🇺 Cuba +53 🇨🇼 Curaçao +599 🇨🇾 Cyprus +357 🇨🇿 Czechia +420 🇩🇰 Denmark +45 🇩🇯 Djibouti +253 🇩🇲 Dominica +1767 🇩🇴 Dominican Republic +1 🇪🇨 Ecuador +593 🇪🇬 Egypt +20 🇸🇻 El Salvador +503 🇬🇶 Equatorial Guinea +240 🇪🇷 Eritrea +291 🇪🇪 Estonia +372 🇪🇹 Ethiopia +251 🇫🇰 Falkland Islands +500 🇫🇴 Faroe Islands +298 🇫🇯 Fiji +679 🇫🇮 Finland +358 🇫🇷 France +33 🇬🇫 French Guiana +594 🇵🇫 French Polynesia +689 🇬🇦 Gabon +241 🇬🇲 Gambia +220 🇬🇪 Georgia +995 🇩🇪 Germany +49 🇬🇭 Ghana +233 🇬🇮 Gibraltar +350 🇬🇷 Greece +30 🇬🇱 Greenland +299 🇬🇩 Grenada +1473 🇬🇵 Guadeloupe +590 🇬🇺 Guam +1671 🇬🇹 Guatemala +502 🇬🇬 Guernsey +44 🇬🇳 Guinea +224 🇬🇼 Guinea-Bissau +245 🇬🇾 Guyana +592 🇭🇹 Haiti +509 🇭🇳 Honduras +504 🇭🇰 Hong Kong +852 🇭🇺 Hungary +36 🇮🇸 Iceland +354 🇮🇳 India +91 🇮🇩 Indonesia +62 🇮🇷 Iran +98 🇮🇶 Iraq +964 🇮🇪 Ireland +353 🇮🇲 Isle of Man +44 🇮🇱 Israel +972 🇮🇹 Italy +39 🇨🇮 Ivory Coast +225 🇯🇲 Jamaica +1 🇯🇵 Japan +81 🇯🇪 Jersey +44 🇯🇴 Jordan +962 🇰🇿 Kazakhstan +7 🇰🇪 Kenya +254 🇰🇮 Kiribati +686 🇽🇰 Kosovo +383 🇰🇼 Kuwait +965 🇰🇬 Kyrgyzstan +996 🇱🇦 Laos +856 🇱🇻 Latvia +371 🇱🇧 Lebanon +961 🇱🇸 Lesotho +266 🇱🇷 Liberia +231 🇱🇾 Libya +218 🇱🇮 Liechtenstein +423 🇱🇹 Lithuania +370 🇱🇺 Luxembourg +352 🇲🇴 Macau +853 🇲🇬 Madagascar +261 🇲🇼 Malawi +265 🇲🇾 Malaysia +60 🇲🇻 Maldives +960 🇲🇱 Mali +223 🇲🇹 Malta +356 🇲🇭 Marshall Islands +692 🇲🇶 Martinique +596 🇲🇷 Mauritania +222 🇲🇺 Mauritius +230 🇾🇹 Mayotte +262 🇲🇽 Mexico +52 🇫🇲 Micronesia +691 🇲🇩 Moldova +373 🇲🇨 Monaco +377 🇲🇳 Mongolia +976 🇲🇪 Montenegro +382 🇲🇸 Montserrat +1664 🇲🇦 Morocco +212 🇲🇿 Mozambique +258 🇲🇲 Myanmar +95 🇳🇦 Namibia +264 🇳🇷 Nauru +674 🇳🇵 Nepal +977 🇳🇱 Netherlands +31 🇳🇨 New Caledonia +687 🇳🇿 New Zealand +64 🇳🇮 Nicaragua +505 🇳🇪 Niger +227 🇳🇬 Nigeria +234 🇳🇺 Niue +683 🇳🇫 Norfolk Island +6723 🇰🇵 North Korea +850 🇲🇰 North Macedonia +389 🇲🇵 Northern Mariana Islands +1670 🇳🇴 Norway +47 🇴🇲 Oman +968 🇵🇰 Pakistan +92 🇵🇼 Palau +680 🇵🇦 Panama +507 🇵🇬 Papua New Guinea +675 🇵🇾 Paraguay +595 🇵🇪 Peru +51 🇵🇭 Philippines +63 🇵🇱 Poland +48 🇵🇹 Portugal +351 🇵🇷 Puerto Rico +1 🇶🇦 Qatar +974 🇫🇷 Réunion +262 🇷🇴 Romania +40 🇷🇺 Russia +7 🇷🇼 Rwanda +250 🇧🇱 Saint-Barthélemy +590 🇸🇭 Saint Helena +290 🇰🇳 Saint Kitts & Nevis +1869 🇱🇨 Saint Lucia +1758 🇫🇷 Saint Martin +590 🇵🇲 Saint Pierre & Miquelon +508 🇻🇨 Saint Vincent & Grenadines +1784 🇼🇸 Samoa +685 🇸🇲 San Marino +378 🇸🇹 São Tomé & Príncipe +239 🇸🇦 Saudi Arabia +966 🇸🇳 Senegal +221 🇷🇸 Serbia +381 🇸🇨 Seychelles +248 🇸🇱 Sierra Leone +232 🇸🇬 Singapore +65 🇸🇽 Sint Maarten +1721 🇸🇰 Slovakia +421 🇸🇮 Slovenia +386 🇸🇧 Solomon Islands +677 🇸🇴 Somalia +252 🇿🇦 South Africa +27 🇰🇷 South Korea +82 🇸🇸 South Sudan +211 🇪🇸 Spain +34 🇱🇰 Sri Lanka +94 🇸🇩 Sudan +249 🇸🇷 Suriname +597 🇳🇴 Svalbard & Jan Mayen +47 🇸🇿 Swaziland +268 🇸🇪 Sweden +46 🇨🇭 Switzerland +41 🇸🇾 Syria +963 🇹🇼 Taiwan +886 🇹🇯 Tajikistan +992 🇹🇿 Tanzania +255 🇹🇭 Thailand +66 🇹🇱 Timor-Leste +670 🇹🇬 Togo +228 🇹🇰 Tokelau +690 🇹🇴 Tonga +676 🇹🇹 Trinidad & Tobago +1868 🇹🇳 Tunisia +216 🇹🇷 Turkey +90 🇹🇲 Turkmenistan +993 🇹🇨 Turks & Caicos Islands +1649 🇹🇻 Tuvalu +688 🇻🇮 U.S. Virgin Islands +1340 🇺🇬 Uganda +256 🇺🇦 Ukraine +380 🇦🇪 United Arab Emirates +971 🇬🇧 United Kingdom +44 🇺🇸 United States +1 🇺🇾 Uruguay +598 🇺🇿 Uzbekistan +998 🇻🇺 Vanuatu +678 🇻🇦 Vatican City +39 🇻🇪 Venezuela +58 🇻🇳 Vietnam +84 🇼🇫 Wallis & Futuna +681 🇪🇭 Western Sahara +212 🇾🇪 Yemen +967 🇿🇲 Zambia +260 🇿🇼 Zimbabwe +263`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; while ((m = regex.exec(str)) !== null) { // This is necessary to avoid infinite loops with zero-width matches if (m.index === regex.lastIndex) { regex.lastIndex++; } // The result can be accessed through the `m`-variable. m.forEach((match, groupIndex) => { console.log(`Found match, group ${groupIndex}: ${match}`); }); }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions