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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]
  • Character class intersection
    [\w&&[^\d]]
  • 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
Processing...

Test String

Code Generator

Language

Generated Code

import re regex = re.compile(r"^\(?\d{3}\)?[\s.-]?\d{3}[\s.-]?\d{4}$", flags=re.MULTILINE) test_str = ("1-718-444-1122\n" "718-444-1122\n" "(718)-444-1122\n" "17184441122\n" "7184441122\n" "718.444.1122\n" "1718.444.1122\n" "1-123-456-7890\n" "1 123-456-7890\n" "1 (123) 456-7890\n" "1 123 456 7890\n" "1.123.456.7890\n" "+91 (123) 456-7890\n" "18005551234\n" "1 800 555 1234\n" "+1 800 555-1234\n" "+86 800 555 1234\n" "1-800-555-1234\n" "1 (800) 555-1234\n" "(800)555-1234\n" "(800) 555-1234\n" "(800)5551234\n" "800-555-1234\n" "800.555.1234\n" "18001234567\n" "1 800 123 4567\n" "1-800-123-4567\n" "+18001234567\n" "+1 800 123 4567\n" "+1 (800) 123 4567\n" "1(800)1234567\n" "+1800 1234567\n" "1.8001234567\n" "1.800.123.4567\n" "+1 (800) 123-4567\n" "18001234567\n" "1 800 123 4567\n" "+1 800 123-4567\n" "+86 800 123 4567\n" "1-800-123-4567\n" "1 (800) 123-4567\n" "(800)123-4567\n" "(800) 123-4567\n" "(800)1234567\n" "800-123-4567\n" "800.123.4567\n" "1231231231\n" "123-1231231\n" "123123-1231\n" "123-123 1231\n" "123 123-1231\n" "123-123-1231\n" "(123)123-1231\n" "(123)123 1231\n" "(123) 123-1231\n" "(123) 123 1231\n" "+99 1234567890\n" "+991234567890\n" "(555) 444-6789\n" "555-444-6789\n" "555.444.6789\n" "555 444 6789\n" "18005551234\n" "1 800 555 1234\n" "+1 800 555-1234\n" "+86 800 555 1234\n" "1-800-555-1234\n" "1.800.555.1234\n" "+1.800.555.1234\n" "1 (800) 555-1234\n" "(800)555-1234\n" "(800) 555-1234\n" "(800)5551234\n" "800-555-1234\n" "800.555.1234\n" "(003) 555-1212\n" "(103) 555-1212\n" "(911) 555-1212\n" "18005551234\n" "1 800 555 1234\n" "+86 800-555-1234\n" "1 (800) 555-1234") matches = regex.finditer(test_str) for match_num, match in enumerate(matches, start=1): print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}") for group_num, group in enumerate(match.groups(), start=1): print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")

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