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

r"
"
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"^(\(?([\d \-\)\–\+\/\(.]+){5}\)?([ .\-–\/]?)([\d]+))$" test_str = ("US (North American) Phone Numbers\n" "1-800-123-4567\n" "(123)456-7890\n" "1234567890\n" "123-456-7890\n" "123.456.7890\n" "123 456 7890\n" "(123) 456 7890\n" "UK Phone Numbers\n" "+447222555555\n" "+44 7222 555 555\n" "(0722) 5555555 #2222\n" "French Phone Numbers\n" "0123456789\n" "01 23 45 67 89\n" "01.23.45.67.89\n" "0123 45.67.89\n" "0033 123-456-789\n" "+33-1.23.45.67.89\n" "+33 – 123 456 789\n" "+33(0) 123 456 789\n" "+33 (0)123 45 67 89\n" "+33 (0)1 2345-6789\n" "+33(0) – 123456789\n" "German Phone Numbers\n" "(06442) 3933023\n" "(02852) 5996-0\n" "(042) 1818 87 9919\n" "06442 / 3893023\n" "06442 / 38 93 02 3\n" "06442/3839023\n" "042/ 88 17 890 0\n" "+49 221 549144 – 79\n" "+49 221 – 542194 79\n" "+49 (221) – 542944 79\n" "0 52 22 – 9 50 93 10\n" "+49(0)121-79536 – 77\n" "+49(0)2221-39938-113\n" "+49 (0) 1739 906-44\n" "+49 (173) 1799 806-44\n" "0214154914479\n" "02141 54 91 44 79\n" "01517953677\n" "+491517953677\n" "015777953677\n" "02162 – 54 91 44 79\n" "(02162) 54 91 44 79\n" "Chinese Phone Numbers\n" "0936-4211235\n" "89076543\n" "010-12345678-1234\n" "Chinese Mobile Phone Numbers\n" "008618311006933\n" "+8617888829981\n" "1911925564\n" "India Phone Numbers\n" "03595-259506\n" "03592 245902\n" "03598245785\n" "9775876662\n" "0 9754845789\n" "0-9778545896\n" "+91 9456211568\n" "91 9857842356\n" "919578965389\n" "Brazilian Phone Numbers\n" "(12) 123 1234\n" "(01512) 123 1234\n" "(0xx12) 1234 1234\n" "Australian Phone Numbers\n" "0732105432\n" "1300333444\n" "131313\n" "Dutch Phone Numbers\n" "+31235256677\n" "+31(0)235256677\n" "023-5256677\n" "Sweden Phone Numbers\n" "+46 8 123 456 78\n" "08-123 456 78\n" "0123-456 78\n" "thx to https://regexpattern.com/phone-number/") 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