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

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"[^+0-9\n]+[^(?:\s+0-9)*]" test_str = ("🇦🇫 Afghanistan +93\n" "🇦🇽 Åland Islands +358\n" "🇦🇱 Albania +355\n" "🇩🇿 Algeria +213\n" "🇦🇸 American Samoa +1684\n" "🇦🇩 Andorra +376\n" "🇦🇴 Angola +244\n" "🇦🇮 Anguilla +1264\n" "🇦🇬 Antigua & Barbuda +1268\n" "🇦🇷 Argentina +54\n" "🇦🇲 Armenia +374\n" "🇦🇼 Aruba +297\n" "🇦🇺 Australia +61\n" "🇦🇹 Austria +43\n" "🇦🇿 Azerbaijan +994\n" "🇧🇸 Bahamas +1242\n" "🇧🇭 Bahrain +973\n" "🇧🇩 Bangladesh +880\n" "🇧🇧 Barbados +1246\n" "🇧🇾 Belarus +375\n" "🇧🇪 Belgium +32\n" "🇧🇿 Belize +501\n" "🇧🇯 Benin +229\n" "🇧🇲 Bermuda +1441\n" "🇧🇹 Bhutan +975\n" "🇧🇴 Bolivia +591\n" "🇧🇦 Bosnia & Herzegovina +387\n" "🇧🇼 Botswana +267\n" "🇧🇷 Brazil +55\n" "🇮🇴 British Indian Ocean Territory +246\n" "🇻🇬 British Virgin Islands +1284\n" "🇧🇳 Brunei +673\n" "🇧🇬 Bulgaria +359\n" "🇧🇫 Burkina Faso +226\n" "🇧🇮 Burundi +257\n" "🇰🇭 Cambodia +855\n" "🇨🇲 Cameroon +237\n" "🇨🇦 Canada +1\n" "🇨🇻 Cape Verde +238\n" "🇳🇱 Carribbean Netherlands +599\n" "🇰🇾 Cayman Islands +1345\n" "🇨🇫 Central African Republic +236\n" "🇹🇩 Chad +235\n" "🇨🇱 Chile +56\n" "🇨🇳 China +86\n" "🇨🇽 Christmas Islands +61\n" "🇨🇨 Cocos Islands +61\n" "🇨🇴 Colombia +57\n" "🇰🇲 Comoros +269\n" "🇨🇩 Congo-Kinshasa +243\n" "🇨🇬 Congo-Brazzaville +242\n" "🇨🇰 Cook Islands +682\n" "🇨🇷 Costa Rica +506\n" "🇭🇷 Croatia +385\n" "🇨🇺 Cuba +53\n" "🇨🇼 Curaçao +599\n" "🇨🇾 Cyprus +357\n" "🇨🇿 Czechia +420\n" "🇩🇰 Denmark +45\n" "🇩🇯 Djibouti +253\n" "🇩🇲 Dominica +1767\n" "🇩🇴 Dominican Republic +1\n" "🇪🇨 Ecuador +593\n" "🇪🇬 Egypt +20\n" "🇸🇻 El Salvador +503\n" "🇬🇶 Equatorial Guinea +240\n" "🇪🇷 Eritrea +291\n" "🇪🇪 Estonia +372\n" "🇪🇹 Ethiopia +251\n" "🇫🇰 Falkland Islands +500\n" "🇫🇴 Faroe Islands +298\n" "🇫🇯 Fiji +679\n" "🇫🇮 Finland +358\n" "🇫🇷 France +33\n" "🇬🇫 French Guiana +594\n" "🇵🇫 French Polynesia +689\n" "🇬🇦 Gabon +241\n" "🇬🇲 Gambia +220\n" "🇬🇪 Georgia +995\n" "🇩🇪 Germany +49\n" "🇬🇭 Ghana +233\n" "🇬🇮 Gibraltar +350\n" "🇬🇷 Greece +30\n" "🇬🇱 Greenland +299\n" "🇬🇩 Grenada +1473\n" "🇬🇵 Guadeloupe +590\n" "🇬🇺 Guam +1671\n" "🇬🇹 Guatemala +502\n" "🇬🇬 Guernsey +44\n" "🇬🇳 Guinea +224\n" "🇬🇼 Guinea-Bissau +245\n" "🇬🇾 Guyana +592\n" "🇭🇹 Haiti +509\n" "🇭🇳 Honduras +504\n" "🇭🇰 Hong Kong +852\n" "🇭🇺 Hungary +36\n" "🇮🇸 Iceland +354\n" "🇮🇳 India +91\n" "🇮🇩 Indonesia +62\n" "🇮🇷 Iran +98\n" "🇮🇶 Iraq +964\n" "🇮🇪 Ireland +353\n" "🇮🇲 Isle of Man +44\n" "🇮🇱 Israel +972\n" "🇮🇹 Italy +39\n" "🇨🇮 Ivory Coast +225\n" "🇯🇲 Jamaica +1\n" "🇯🇵 Japan +81\n" "🇯🇪 Jersey +44\n" "🇯🇴 Jordan +962\n" "🇰🇿 Kazakhstan +7\n" "🇰🇪 Kenya +254\n" "🇰🇮 Kiribati +686\n" "🇽🇰 Kosovo +383\n" "🇰🇼 Kuwait +965\n" "🇰🇬 Kyrgyzstan +996\n" "🇱🇦 Laos +856\n" "🇱🇻 Latvia +371\n" "🇱🇧 Lebanon +961\n" "🇱🇸 Lesotho +266\n" "🇱🇷 Liberia +231\n" "🇱🇾 Libya +218\n" "🇱🇮 Liechtenstein +423\n" "🇱🇹 Lithuania +370\n" "🇱🇺 Luxembourg +352\n" "🇲🇴 Macau +853\n" "🇲🇬 Madagascar +261\n" "🇲🇼 Malawi +265\n" "🇲🇾 Malaysia +60\n" "🇲🇻 Maldives +960\n" "🇲🇱 Mali +223\n" "🇲🇹 Malta +356\n" "🇲🇭 Marshall Islands +692\n" "🇲🇶 Martinique +596\n" "🇲🇷 Mauritania +222\n" "🇲🇺 Mauritius +230\n" "🇾🇹 Mayotte +262\n" "🇲🇽 Mexico +52\n" "🇫🇲 Micronesia +691\n" "🇲🇩 Moldova +373\n" "🇲🇨 Monaco +377\n" "🇲🇳 Mongolia +976\n" "🇲🇪 Montenegro +382\n" "🇲🇸 Montserrat +1664\n" "🇲🇦 Morocco +212\n" "🇲🇿 Mozambique +258\n" "🇲🇲 Myanmar +95\n" "🇳🇦 Namibia +264\n" "🇳🇷 Nauru +674\n" "🇳🇵 Nepal +977\n" "🇳🇱 Netherlands +31\n" "🇳🇨 New Caledonia +687\n" "🇳🇿 New Zealand +64\n" "🇳🇮 Nicaragua +505\n" "🇳🇪 Niger +227\n" "🇳🇬 Nigeria +234\n" "🇳🇺 Niue +683\n" "🇳🇫 Norfolk Island +6723\n" "🇰🇵 North Korea +850\n" "🇲🇰 North Macedonia +389\n" "🇲🇵 Northern Mariana Islands +1670\n" "🇳🇴 Norway +47\n" "🇴🇲 Oman +968\n" "🇵🇰 Pakistan +92\n" "🇵🇼 Palau +680\n" "🇵🇦 Panama +507\n" "🇵🇬 Papua New Guinea +675\n" "🇵🇾 Paraguay +595\n" "🇵🇪 Peru +51\n" "🇵🇭 Philippines +63\n" "🇵🇱 Poland +48\n" "🇵🇹 Portugal +351\n" "🇵🇷 Puerto Rico +1\n" "🇶🇦 Qatar +974\n" "🇫🇷 Réunion +262\n" "🇷🇴 Romania +40\n" "🇷🇺 Russia +7\n" "🇷🇼 Rwanda +250\n" "🇧🇱 Saint-Barthélemy +590\n" "🇸🇭 Saint Helena +290\n" "🇰🇳 Saint Kitts & Nevis +1869\n" "🇱🇨 Saint Lucia +1758\n" "🇫🇷 Saint Martin +590\n" "🇵🇲 Saint Pierre & Miquelon +508\n" "🇻🇨 Saint Vincent & Grenadines +1784\n" "🇼🇸 Samoa +685\n" "🇸🇲 San Marino +378\n" "🇸🇹 São Tomé & Príncipe +239\n" "🇸🇦 Saudi Arabia +966\n" "🇸🇳 Senegal +221\n" "🇷🇸 Serbia +381\n" "🇸🇨 Seychelles +248\n" "🇸🇱 Sierra Leone +232\n" "🇸🇬 Singapore +65\n" "🇸🇽 Sint Maarten +1721\n" "🇸🇰 Slovakia +421\n" "🇸🇮 Slovenia +386\n" "🇸🇧 Solomon Islands +677\n" "🇸🇴 Somalia +252\n" "🇿🇦 South Africa +27\n" "🇰🇷 South Korea +82\n" "🇸🇸 South Sudan +211\n" "🇪🇸 Spain +34\n" "🇱🇰 Sri Lanka +94\n" "🇸🇩 Sudan +249\n" "🇸🇷 Suriname +597\n" "🇳🇴 Svalbard & Jan Mayen +47\n" "🇸🇿 Swaziland +268\n" "🇸🇪 Sweden +46\n" "🇨🇭 Switzerland +41\n" "🇸🇾 Syria +963\n" "🇹🇼 Taiwan +886\n" "🇹🇯 Tajikistan +992\n" "🇹🇿 Tanzania +255\n" "🇹🇭 Thailand +66\n" "🇹🇱 Timor-Leste +670\n" "🇹🇬 Togo +228\n" "🇹🇰 Tokelau +690\n" "🇹🇴 Tonga +676\n" "🇹🇹 Trinidad & Tobago +1868\n" "🇹🇳 Tunisia +216\n" "🇹🇷 Turkey +90\n" "🇹🇲 Turkmenistan +993\n" "🇹🇨 Turks & Caicos Islands +1649\n" "🇹🇻 Tuvalu +688\n" "🇻🇮 U.S. Virgin Islands +1340\n" "🇺🇬 Uganda +256\n" "🇺🇦 Ukraine +380\n" "🇦🇪 United Arab Emirates +971\n" "🇬🇧 United Kingdom +44\n" "🇺🇸 United States +1\n" "🇺🇾 Uruguay +598\n" "🇺🇿 Uzbekistan +998\n" "🇻🇺 Vanuatu +678\n" "🇻🇦 Vatican City +39\n" "🇻🇪 Venezuela +58\n" "🇻🇳 Vietnam +84\n" "🇼🇫 Wallis & Futuna +681\n" "🇪🇭 Western Sahara +212\n" "🇾🇪 Yemen +967\n" "🇿🇲 Zambia +260\n" "🇿🇼 Zimbabwe +263") matches = re.finditer(regex, test_str, re.MULTILINE) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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 Python, please visit: https://docs.python.org/3/library/re.html