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))((00|\+)?55(\s|\.|-)*)?((\()?0?\d{2}(?(5)\)|)(\s|\.|-)*)?(9(\s|\.|-)*)?\d{4}(\s|\.|-)*\d{4}(?=\D|$)" test_str = ("98993132\n" "9899-3132\n" "9899.3132\n" "9899 3132\n" "7198993132\n" "719899-3132\n" "719899.3132\n" "719899 3132\n" "71 98993132\n" "71 9899-3132\n" "71 9899.3132\n" "71 9899 3132\n" "071 98993132\n" "071 9899-3132\n" "071 9899.3132\n" "071 9899 3132\n" "(71)98993132\n" "(71)9899-3132\n" "(71)9899.3132\n" "(71)9899 3132\n" "(71) 98993132\n" "(71) 9899-3132\n" "(71) 9899.3132\n" "(071) 9899 3132\n" "(071) 98993132\n" "(071) 9899-3132\n" "(071) 9899.3132\n" "(071) 9899 3132\n" "557198993132\n" "55719899-3132\n" "55719899.3132\n" "55719899 3132\n" "5571 98993132\n" "5571 9899-3132\n" "5571 9899.3132\n" "5571 9899 3132\n" "55071 98993132\n" "55071 9899-3132\n" "55071 9899.3132\n" "55071 9899 3132\n" "55(71)98993132\n" "55(71)9899-3132\n" "55(71)9899.3132\n" "55(71)9899 3132\n" "55(71) 98993132\n" "55(71) 9899-3132\n" "55(71) 9899.3132\n" "55(071) 9899 3132\n" "55(071) 98993132\n" "55(071) 9899-3132\n" "55(071) 9899.3132\n" "55(071) 9899 3132\n" "55 7198993132\n" "55 719899-3132\n" "55 719899.3132\n" "55 719899 3132\n" "55 71 98993132\n" "55 71 9899-3132\n" "55 71 9899.3132\n" "55 71 9899 3132\n" "55 071 98993132\n" "55 071 9899-3132\n" "55 071 9899.3132\n" "55 071 9899 3132\n" "55 (71)98993132\n" "55 (71)9899-3132\n" "55 (71)9899.3132\n" "55 (71)9899 3132\n" "55 (71) 98993132\n" "55 (71) 9899-3132\n" "55 (71) 9899.3132\n" "55 (071) 9899 3132\n" "55 (071) 98993132\n" "55 (071) 9899-3132\n" "55 (071) 9899.3132\n" "55 (071) 9899 3132\n" "+557198993132\n" "+55719899-3132\n" "+55719899.3132\n" "+55719899 3132\n" "+5571 98993132\n" "+5571 9899-3132\n" "+5571 9899.3132\n" "+5571 9899 3132\n" "+55071 98993132\n" "+55071 9899-3132\n" "+55071 9899.3132\n" "+55071 9899 3132\n" "+55(71)98993132\n" "+55(71)9899-3132\n" "+55(71)9899.3132\n" "+55(71)9899 3132\n" "+55(71) 98993132\n" "+55(71) 9899-3132\n" "+55(71) 9899.3132\n" "+55(071) 9899 3132\n" "+55(071) 98993132\n" "+55(071) 9899-3132\n" "+55(071) 9899.3132\n" "+55(071) 9899 3132\n" "+55 7198993132\n" "+55 719899-3132\n" "+55 719899.3132\n" "+55 719899 3132\n" "+55 71 98993132\n" "+55 71 9899-3132\n" "+55 71 9899.3132\n" "+55 71 9899 3132\n" "+55 071 98993132\n" "+55 071 9899-3132\n" "+55 071 9899.3132\n" "+55 071 9899 3132\n" "+55 (71)98993132\n" "+55 (71)9899-3132\n" "+55 (71)9899.3132\n" "+55 (71)9899 3132\n" "+55 (71) 98993132\n" "+55 (71) 9899-3132\n" "+55 (71) 9899.3132\n" "+55 (071) 9899 3132\n" "+55 (071) 98993132\n" "+55 (071) 9899-3132\n" "+55 (071) 9899.3132\n" "+55 (071) 9899 3132\n" "998993132\n" "99899-3132\n" "99899.3132\n" "99899 3132\n" "71998993132\n" "7199899-3132\n" "7199899.3132\n" "7199899 3132\n" "71 998993132\n" "71 99899-3132\n" "71 99899.3132\n" "71 99899 3132\n" "071 998993132\n" "071 99899-3132\n" "071 99899.3132\n" "071 99899 3132\n" "(71)998993132\n" "(71)99899-3132\n" "(71)99899.3132\n" "(71)99899 3132\n" "(71) 998993132\n" "(71) 99899-3132\n" "(71) 99899.3132\n" "(071) 99899 3132\n" "(071) 998993132\n" "(071) 99899-3132\n" "(071) 99899.3132\n" "(071) 99899 3132\n" "5571998993132\n" "557199899-3132\n" "557199899.3132\n" "557199899 3132\n" "5571 998993132\n" "5571 99899-3132\n" "5571 99899.3132\n" "5571 99899 3132\n" "55071 998993132\n" "55071 99899-3132\n" "55071 99899.3132\n" "55071 99899 3132\n" "55(71)998993132\n" "55(71)99899-3132\n" "55(71)99899.3132\n" "55(71)99899 3132\n" "55(71) 998993132\n" "55(71) 99899-3132\n" "55(71) 99899.3132\n" "55(071) 99899 3132\n" "55(071) 998993132\n" "55(071) 99899-3132\n" "55(071) 99899.3132\n" "55(071) 99899 3132\n" "55 71998993132\n" "55 7199899-3132\n" "55 7199899.3132\n" "55 7199899 3132\n" "55 71 998993132\n" "55 71 99899-3132\n" "55 71 99899.3132\n" "55 71 99899 3132\n" "55 071 998993132\n" "55 071 99899-3132\n" "55 071 99899.3132\n" "55 071 99899 3132\n" "55 (71)998993132\n" "55 (71)99899-3132\n" "55 (71)99899.3132\n" "55 (71)99899 3132\n" "55 (71) 998993132\n" "55 (71) 99899-3132\n" "55 (71) 99899.3132\n" "55 (071) 99899 3132\n" "55 (071) 998993132\n" "55 (071) 99899-3132\n" "55 (071) 99899.3132\n" "55 (071) 99899 3132\n" "+5571998993132\n" "+557199899-3132\n" "+557199899.3132\n" "+557199899 3132\n" "+5571 998993132\n" "+5571 99899-3132\n" "+5571 99899.3132\n" "+5571 99899 3132\n" "+55071 998993132\n" "+55071 99899-3132\n" "+55071 99899.3132\n" "+55071 99899 3132\n" "+55(71)998993132\n" "+55(71)99899-3132\n" "+55(71)99899.3132\n" "+55(71)99899 3132\n" "+55(71) 998993132\n" "+55(71) 99899-3132\n" "+55(71) 99899.3132\n" "+55(071) 99899 3132\n" "+55(071) 998993132\n" "+55(071) 99899-3132\n" "+55(071) 99899.3132\n" "+55(071) 99899 3132\n" "+55 71998993132\n" "+55 7199899-3132\n" "+55 7199899.3132\n" "+55 7199899 3132\n" "+55 71 998993132\n" "+55 71 99899-3132\n" "+55 71 99899.3132\n" "+55 71 99899 3132\n" "+55 071 998993132\n" "+55 071 99899-3132\n" "+55 071 99899.3132\n" "+55 071 99899 3132\n" "+55 (71)998993132\n" "+55 (71)99899-3132\n" "+55 (71)99899.3132\n" "+55 (71)99899 3132\n" "+55 (71) 998993132\n" "+55 (71) 99899-3132\n" "+55 (71) 99899.3132\n" "+55 (071) 99899 3132\n" "+55 (071) 998993132\n" "+55 (071) 99899-3132\n" "+55 (071) 99899.3132\n" "+55 (071) 99899 3132\n" "9 98993132\n" "9 9899-3132\n" "9 9899.3132\n" "9 9899 3132\n" "719 98993132\n" "719 9899-3132\n" "719 9899.3132\n" "719 9899 3132\n" "71 9 98993132\n" "71 9 9899-3132\n" "71 9 9899.3132\n" "71 9 9899 3132\n" "071 9 98993132\n" "071 9 9899-3132\n" "071 9 9899.3132\n" "071 9 9899 3132\n" "(71)9 98993132\n" "(71)9 9899-3132\n" "(71)9 9899.3132\n" "(71)9 9899 3132\n" "(71) 9 98993132\n" "(71) 9 9899-3132\n" "(71) 9 9899.3132\n" "(071) 9 9899 3132\n" "(071) 9 98993132\n" "(071) 9 9899-3132\n" "(071) 9 9899.3132\n" "(071) 9 9899 3132\n" "55719 98993132\n" "55719 9899-3132\n" "55719 9899.3132\n" "55719 9899 3132\n" "5571 9 98993132\n" "5571 9 9899-3132\n" "5571 9 9899.3132\n" "5571 9 9899 3132\n" "55071 9 98993132\n" "55071 9 9899-3132\n" "55071 9 9899.3132\n" "55071 9 9899 3132\n" "55(71)9 98993132\n" "55(71)9 9899-3132\n" "55(71)9 9899.3132\n" "55(71)9 9899 3132\n" "55(71) 9 98993132\n" "55(71) 9 9899-3132\n" "55(71) 9 9899.3132\n" "55(071) 9 9899 3132\n" "55(071) 9 98993132\n" "55(071) 9 9899-3132\n" "55(071) 9 9899.3132\n" "55(071) 9 9899 3132\n" "55 719 98993132\n" "55 719 9899-3132\n" "55 719 9899.3132\n" "55 719 9899 3132\n" "55 71 9 98993132\n" "55 71 9 9899-3132\n" "55 71 9 9899.3132\n" "55 71 9 9899 3132\n" "55 071 9 98993132\n" "55 071 9 9899-3132\n" "55 071 9 9899.3132\n" "55 071 9 9899 3132\n" "55 (71)9 98993132\n" "55 (71)9 9899-3132\n" "55 (71)9 9899.3132\n" "55 (71)9 9899 3132\n" "55 (71) 9 98993132\n" "55 (71) 9 9899-3132\n" "55 (71) 9 9899.3132\n" "55 (071) 9 9899 3132\n" "55 (071) 9 98993132\n" "55 (071) 9 9899-3132\n" "55 (071) 9 9899.3132\n" "55 (071) 9 9899 3132\n" "+55719 98993132\n" "+55719 9899-3132\n" "+55719 9899.3132\n" "+55719 9899 3132\n" "+5571 9 98993132\n" "+5571 9 9899-3132\n" "+5571 9 9899.3132\n" "+5571 9 9899 3132\n" "+55071 9 98993132\n" "+55071 9 9899-3132\n" "+55071 9 9899.3132\n" "+55071 9 9899 3132\n" "+55(71)9 98993132\n" "+55(71)9 9899-3132\n" "+55(71)9 9899.3132\n" "+55(71)9 9899 3132\n" "+55(71) 9 98993132\n" "+55(71) 9 9899-3132\n" "+55(71) 9 9899.3132\n" "+55(071) 9 9899 3132\n" "+55(071) 9 98993132\n" "+55(071) 9 9899-3132\n" "+55(071) 9 9899.3132\n" "+55(071) 9 9899 3132\n" "+55 719 98993132\n" "+55 719 9899-3132\n" "+55 719 9899.3132\n" "+55 719 9899 3132\n" "+55 71 9 98993132\n" "+55 71 9 9899-3132\n" "+55 71 9 9899.3132\n" "+55 71 9 9899 3132\n" "+55 071 9 98993132\n" "+55 071 9 9899-3132\n" "+55 071 9 9899.3132\n" "+55 071 9 9899 3132\n" "+55 (71)9 98993132\n" "+55 (71)9 9899-3132\n" "+55 (71)9 9899.3132\n" "+55 (71)9 9899 3132\n" "+55 (71) 9 98993132\n" "+55 (71) 9 9899-3132\n" "+55 (71) 9 9899.3132\n" "+55 (071) 9 9899 3132\n" "+55 (071) 9 98993132\n" "+55 (071) 9 9899-3132\n" "+55 (071) 9 9899.3132\n" "+55 (071) 9 9899 3132\n\n" "====== partial matches =======\n" "55(71 9 7676-3131\n" "55 (71 7676-3131\n" "porque76763131sera\n\n" "======== no matches ==========\n" "41650-010\n" "123.456.789-00\n" "123456789-00") 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