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
Processing...

Test String

Code Generator

Language

Generated Code

import re regex = re.compile(r"(?:[\r\t\f\v ]*)(\(?[0-9]{3}\)?[-.● ]?[0-9]{3}[-.● ]?[0-9]{4})(?:\s*)", flags=re.MULTILINE) test_str = ("email@gmai (757)-749-0014 \n" "(555) 555-5555\n" " (555)555-5555\n" "5555555555\n" "5555555555\n" "(757)-749-0014 \n" " (757)-749-0014\n\n\n\n" "INTERIOR DESIGNER RESUME SAMPLE \n\n" "47 Lance Street, Provincetown, MA 02657 (508) 047-1701 juliancrisp@email.com\n\n\n" "Innovative interior designer with 10 years of experience in project management, space planning, and\n" "computer-aided design. Proven ability to transform client ideas into beautiful, functional design\n" "solutions. Skilled in color combinations, area improvement, and use of materials and illumination,\n" "driving innovative and personalized creations.\n\n" "Professional Experience\n" "INTEGRATED DESIGN SOLUTIONS, PROVINCETOWN, MA\n" "Interior Designer, October 2014–present\n") 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