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"(\w+){2,}") test_str = ("These are words \n" "they killed a deer\n\n" "$!@#abcd^#$%# 1234\n\n" "(hi&)\n\n" "Poproszę pieczonego ziemniaka UA-AA.\n" "Poproszę miejsce na balkonie.\n" "Poproszę piwo.\n" ".Poproszę piwo, stek z frytkami i specjalną sałatkę szefa.\n" "Poproszę czarno biały film.\n" "Poproszę koc i poduszkę FAA:kol JF-109.\n" "Poproszę. koc i poduszkę 45-minutoowe.\n" "Poproszę .koc. * 1-2\n" "Poproszę modelowanie włosów John-3:16.\n" "Poproszę jajko na twardo, sok pomarańczowy i chleb.\n\n" " , ｜ ｜ . , , ∩ ﾟ ∀ ﾟ . ━ ━ ━ ┗ ｡ ◕ ‿ ‿ ◕ ｡ . ↑ ？ ？ ？ . ☆ , ｡ ･ ･ ﾟ ･ ･ ﾟ ★ . ๏ ๏ ๏ ๏ ๏ ๏ , ๏ ๏ ๏ ๏ ๏ ๏ ♥ . ░ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ­ ­ ­ ­ ❀ ♥ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ­ ­ ­ ❀ ­ ♥ ­ ­ ❀ ♥ ♥ ❀ ♥ ❀ ♥ ­ ­ ­ ❀ ♥ █ █ ─ █ █ ▀ █ █ █ ▀ █ █ █ ▀ █ █ █ ─ █ ─ █ █ ─ █ █ ▀ █  █ █ ─ ─ █ █ ▀ █ ─ █ ▀ █ █ ▀  █ █ █ ─ █ █ █ ▀ █ █ ▀ ▌ █ ▀ █ ▌ ▀ █ ▌ █ ▀ ▀ ▌ █ ▀ ▀  ▀ ▌ █ ▀ ─ ▌ █ ─ █ ▌ ▀ █ ▌ █ ─ ─ ▌ █ ▀ ▌ █ █ ─ ▌ █  ─ ▌ █ ▌ █ █ ▌ █ ▀ ▀ ▌ █ ▀ ▀ ─ ▀ ▀ ─ ▀ ▀ ▀ ─ ─ ▀ ▀ ─ ─ ─ ▀ ▀ ─ ─ ─ ▀ ▀ ─ ▀ ─ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ▀ ─ ▀ ─ ▀ ▀ ─ ▀ ▀ ▀ ─ ▀ ▀ ▀ ▀  ▀ ▀ ▀  ░ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ­ ­ ­ ­ ­ ­ ❀ ♥ ♥ ♥ ❀ ♥ ❀ ♥ ❀ ♥ ­ ❀ ­ ♥ ­ ­ ­ ­ ❀ ♥ ♥ ❀ ♥ ❀ ♥ Ｄ ­ ＡＹ . ● ▬ ▬ ▬ ▬ ▬ ▬ ▬ ๑๑ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ● . ● ▬ ▬ ▬ ▬ ▬ ๑๑ ▬ ▬ ▬ ▬ ▬ ▬ ● . （ － 。 － ） ｚｚＺＺＺ .") 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