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
No Match

r"
"
gms

Test String

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"##Player Stats\n(.*?)##Goalie Stats" test_str = ("[](#startinjuredreserve)\n\n" "##Injured Reserve\n" "|Position|Player|Salary|\n" "|:-|:-|:-|\n" "|RD|Oscar Fantenberg|$850,000|\n" "|LW|Antoine Roussel|$3,000,000|\n\n\n" "[](#endinjuredreserve)\n\n" "[](#startmagicalbotarea)\n\n\n" "##Schedule\n" "|Date|Time|Opponent|TV/Score|\n" "|::|::|::|::|\n" "|15 Oct|19:00|vs [Detroit Red Wings](/r/detroitredwings \"Detroit Red Wings\")|**W 5-1**|\n" "|17 Oct|17:00|@ [St. Louis Blues](/r/stlouisblues \"St. Louis Blues\")|**W 4-3**|\n" "|19 Oct|10:00|@ [New Jersey Devils](/r/devils \"New Jersey Devils\")|L 1-0|\n" "|**Today**|10:00|@ [New York Rangers](/r/rangers \"New York Rangers\")|**W 3-2**|\n" "|22 Oct|16:30|@ [Detroit Red Wings](/r/detroitredwings \"Detroit Red Wings\")|SN360|\n" "|25 Oct|19:00|vs [Washington Capitals](/r/caps \"Washington Capitals\")|SN1|\n" "|28 Oct|19:00|vs [Florida Panthers](/r/floridapanthers \"Florida Panthers\")|SNP|\n\n" "##Pacific Standings\n" "|Team|GP|W|L|OTL|PTS|Streak\n" "|::|::|::|::|::|::|::|\n" "|[Edmonton Oilers](/r/edmontonoilers \"Edmonton Oilers\")|8|7|1|0|14|W2|\n" "|[Anaheim Ducks](/r/anaheimducks \"Anaheim Ducks\")|8|6|2|0|12|W2|\n" "|[Vegas Golden Knights](/r/goldenknights \"Vegas Golden Knights\")|9|6|3|0|12|W2|\n" "|[Vancouver Canucks](/r/canucks \"Vancouver Canucks\")|8|5|3|0|10|W1|\n" "|[Arizona Coyotes](/r/coyotes \"Arizona Coyotes\")|7|4|2|1|9|W3|\n" "|[Calgary Flames](/r/calgaryflames \"Calgary Flames\")|9|4|4|1|9|L1|\n" "|[San Jose Sharks](/r/sanjosesharks \"San Jose Sharks\")|8|3|5|0|6|L1|\n" "|[Los Angeles Kings](/r/losangeleskings \"Los Angeles Kings\")|8|3|5|0|6|W1|\n\n" "##Player Stats\n" "Player|GP|G|A|P|+/-|PIM|\n" "|:|::|::|::|::|::|::|\n" "|Miller|8|4|4|**8**|5|4|\n" "|Pettersson|8|2|6|**8**|4|0|\n" "|Boeser|8|2|5|**7**|4|0|\n" "|Edler|8|3|3|**6**|-1|10|\n" "|Sutter|8|2|3|**5**|1|7|\n" "|Pearson|8|2|2|**4**|-4|2|\n" "|Tanev|8|1|3|**4**|1|0|\n" "|Hughes|8|1|3|**4**|1|2|\n" "|Horvat|8|2|1|**3**|0|2|\n" "|Leivo|8|1|2|**3**|1|2|\n\n" "##Goalie Stats\n" "|Goalie|GP|W|L|SV%|GAA|SO|\n" "|:|::|::|::|::|::|::|\n" "|Markstrom|5|3|2|0.932|2.19|0|\n" "|Demko|3|2|1|0.943|1.64|0|\n\n" "*****\n" "Updated at: 20 Oct 2019, 03:12 PM PST\n" "*****\n\n" "[](#endmagicalbotarea)\n\n" "##Filter Options\n" "- If you want to block a certain type of posts, click one of the link filters below\n\n" "- [No Shitpost/Memes](https://nm.reddit.com/r/canucks/#nm)\n\n" "- [No Fan Content](https://nf.reddit.com/r/canucks/#nf)\n\n" "- [No Memes or Fan Content](https://mf.reddit.com/r/canucks/#mf)\n\n" "- [Reset Filter](https://reddit.com/r/canucks/)\n\n" "## Links & Resources\n\n" "- /r/hockey\n" "- /r/UticaComets\n" "- /r/TheAthleticVAN \n" "- [Canucks Capfriendly](https://www.capfriendly.com/teams/canucks)\n" "- [Canucks.com](https://www.nhl.com/canucks)\n" "- [Canucks Official Twitter](https://twitter.com/canucks)\n" "- [Canucks Official YT Channel](http://www.youtube.com/user/Canucks)\n" "- [Sportsnet 650 Vancouver](http://www.sportsnet.ca/650/)\n" "- [TSN 1040](http://www.tsn.ca/radio/vancouver-1040-i-1410)\n" "- [**Join /r/Canucks Discord!**] (https://discord.gg/UTZ5Vrb)\n\n" "## Subreddit Wiki\n\n" "- [Rules and Guidelines](/r/canucks/wiki/rules)\n" "- [Streaming Guide](/r/canucks/wiki/streaming)\n" "- [Attending a Canucks Game?](/r/canucks/comments/2u5lxr/so_you_wanna_go_to_a_canucks_game_eh_faq_for/)\n" "- [Canucks Resources](/r/canucks/wiki/resources)\n" "- [Meme Hall of Fame](/r/canucks/wiki/memes)\n" "- [AMA Archive](/r/canucks/wiki/amas)\n" "- [**Nostalgia Corner**](https://www.reddit.com/r/canucks/wiki/nostalgia-corner)") matches = re.finditer(regex, test_str, re.MULTILINE | re.DOTALL) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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