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\s./-]*(?:\s\d+){4}(?:\s\$\d+\.\d+){2}$", flags=re.MULTILINE) test_str = ("Amount\n" "2144-PL\n" "1XL 2XL 3XL\n" "2144-\n" "PL Navy Blue 2 2 2 6 $11.50 $69.00\n" "ETK-2097K-PL PLUS-TOP - BACK BUTTON TUNICS 95% RAYON 5% SPANDEX MADE IN USA\n" "1XL 2XL 3XL\n" "Black 2 2 2 6 $12.00 $72.00\n" "Teal 2 2 2 6 $12.00 $72.00\n" "ETK-2197-SW-\n" "1XL 2XL 3XL\n" "PL ETK-\n" "2197- H.Grey/Burgu… 2 2 2 6 $14.00 $84.00\n" "Off-White/Black 1 1 1 3 $14.00 $42.00\n" "ETK-2143 Tops - 95% RAYON 5% SPANDEX MADE IN USA\n" "S M L\n" "Heather Grey 2 2 2 6 $10.50 $63.00\n" "Royal Blue 2 2 2 6 $10.50 $63.00\n" "Ruby Red 2 2 2 6 $10.50 $63.00\n" "ETK2186-GD- Tops-Stripe Solid-95% Rayon 5% Spandex Made in USA\n" "PL\n" "1XL 2XL 3XL\n" "Burgundy/Bur… 2 2 2 6 $11.00 $66.00\n" "Ivory/Black 2 2 2 6 $11.00 $66.00\n" "2139 - WP-PL PLUS TOP -95% RAYON 5% SPANDEX MADE IN USA\n" "1XL 2XL 3XL\n" "As Shown 2 2 2 6 $9.50 $57.00\n" "ETK-2228\n" "S M L\n" "ETK- \n" "2228 Off-White/Black 2 2 2 6 $9.50 $57.00\n" "ETK-2149-PL\n" "1XL 2XL 3XL\n" "ETK-\n" "2149- Taupe 2 2 2 6 $11.50 $69.00\n" "BACK\n" "ORDERED\n" "White 2 2 2 6 $11.50 $69.00\n" "Sub") 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