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"(👨)(?:([🏻🏼🏽🏾🏿])?(\x{200D}[🦰🦱🦳🦲])?\x{FE0F}?)?", flags=re.MULTILINE) test_str = ("Codepoints\n\n" " 👨 U+1F468\n\n" "Shortcodes\n\n" " :man:\n\n" "Related\n\n" " 👨 Man\n" " 👨🏻 Man: Light Skin Tone\n" " 👨🏼 Man: Medium-Light Skin Tone\n" " 👨🏽 Man: Medium Skin Tone\n" " 👨🏾 Man: Medium-Dark Skin Tone\n" " 👨🏿 Man: Dark Skin Tone\n" " 👩 Woman\n" " 👩🏻 Woman: Light Skin Tone\n" " 👩🏼 Woman: Medium-Light Skin Tone\n" " 👩🏽 Woman: Medium Skin Tone\n" " 👩🏾 Woman: Medium-Dark Skin Tone\n" " 👩🏿 Woman: Dark Skin Tone\n\n\n" "See also\n\n" " 🧔 Man: Beard\n" " 🧔🏻 Man: Light Skin Tone, Beard\n" " 🧔🏼 Man: Medium-Light Skin Tone, Beard\n" " 🧔🏽 Man: Medium Skin Tone, Beard\n" " 🧔🏾 Man: Medium-Dark Skin Tone, Beard\n" " 🧔🏿 Man: Dark Skin Tone, Beard\n\n" " 👨‍🦳 Man: White Hair\n" " 👨🏻‍🦳 Man: Light Skin Tone, White Hair\n" " 👨🏼‍🦳 Man: Medium-Light Skin Tone, White Hair\n" " 👨🏽‍🦳 Man: Medium Skin Tone, White Hair\n" " 👨🏾‍🦳 Man: Medium-Dark Skin Tone, White Hair\n" " 👨🏿‍🦳 Man: Dark Skin Tone, White Hair\n" " 👩‍🦳 Woman: White Hair\n" " 👩🏻‍🦳 Woman: Light Skin Tone, White Hair\n" " 👩🏼‍🦳 Woman: Medium-Light Skin Tone, White Hair\n" " 👩🏽‍🦳 Woman: Medium Skin Tone, White Hair\n" " 👩🏾‍🦳 Woman: Medium-Dark Skin Tone, White Hair\n" " 👩🏿‍🦳 Woman: Dark Skin Tone, White Hair\n\n" " 👨‍🦰 Man: Red Hair\n" " 👨🏻‍🦰 Man: Light Skin Tone, Red Hair\n" " 👨🏼‍🦰 Man: Medium-Light Skin Tone, Red Hair\n" " 👨🏽‍🦰 Man: Medium Skin Tone, Red Hair\n" " 👨🏾‍🦰 Man: Medium-Dark Skin Tone, Red Hair\n" " 👨🏿‍🦰 Man: Dark Skin Tone, Red Hair\n" " 👩‍🦰 Woman: Red Hair\n" " 👩🏻‍🦰 Woman: Light Skin Tone, Red Hair\n" " 👩🏼‍🦰 Woman: Medium-Light Skin Tone, Red Hair\n" " 👩🏽‍🦰 Woman: Medium Skin Tone, Red Hair\n" " 👩🏾‍🦰 Woman: Medium-Dark Skin Tone, Red Hair\n" " 👩🏿‍🦰 Woman: Dark Skin Tone, Red Hair\n\n" " 👦 Boy\n" " ♂ Male Sign\n" " 🕺 Man Dancing\n" " 👲 Man With Chinese Cap\n" " 🕴 Man in Suit Levitating\n" " 🤵 Man in Tuxedo\n" " 👴 Old Man\n" " 👵 Old Woman\n" " 🎅 Santa Claus") 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