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

/
/
gm

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

$re = '/.*?<div class="item cratePicker">.*?href="(.*?)">.*?href=".*?">(.*?)<.*?href=".*?">(.*?)<.*?label.*?">(.*?)<\/a><br>(.*?)<.*?|.*?<\/html>/m'; $str = '"><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3208229" href="https://crates.co/release/banned-from-the-roxy-steve-aokis-basement-tapes-remix/3208229"><img alt="" src="./Crates_ Steve Aoki_files/e6d6ebb6-39bc-4e15-aac7-6c0fddae8b85.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3208229" href="https://crates.co/release/banned-from-the-roxy-steve-aokis-basement-tapes-remix/3208229">Banned From The Roxy (Steve Aoki\'s Basement Tapes Remix)</a><br><a class="itemLink" data-itemtype="1" data-itemid="940580" href="https://crates.co/artist/crass/940580">Crass</a><br><a class="itemLink" data-itemtype="2" data-itemid="11919" href="https://crates.co/label/dim-mak-records/11919">Dim Mak Records</a><br>2020-12-18<span class="toggle" data-itemid="3208229" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3194829" href="https://crates.co/release/lies-vip-extended-mix/3194829"><img alt="" src="./Crates_ Steve Aoki_files/45518488-0c4a-49d3-b43b-2c5098249ef3.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3194829" href="https://crates.co/release/lies-vip-extended-mix/3194829">LIES (VIP Extended Mix)</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="457095" href="https://crates.co/artist/kream/457095">KREAM</a><br><a class="itemLink" data-itemtype="2" data-itemid="15321" href="https://crates.co/label/big-beat-records/15321">Big Beat Records</a><br>2020-11-13<span class="toggle" data-itemid="3194829" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3128486" href="https://crates.co/release/tarantino-feat-starx/3128486"><img alt="" src="./Crates_ Steve Aoki_files/6d07c06c-2d72-4f74-a660-27bce1c1a6a8.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3128486" href="https://crates.co/release/tarantino-feat-starx/3128486">Tarantino (feat. STARX)</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="115998" href="https://crates.co/artist/timmy-trumpet/115998">Timmy Trumpet</a>, <a class="itemLink" data-itemtype="1" data-itemid="290955" href="https://crates.co/artist/starx/290955">StarX</a><br><a class="itemLink" data-itemtype="2" data-itemid="11919" href="https://crates.co/label/dim-mak-records/11919">Dim Mak Records</a><br>2020-09-30<span class="toggle" data-itemid="3128486" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3111004" href="https://crates.co/release/lies/3111004"><img alt="" src="./Crates_ Steve Aoki_files/ec44b1a6-fccf-474d-b901-88ce653adea9.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3111004" href="https://crates.co/release/lies/3111004">LIES</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="457095" href="https://crates.co/artist/kream/457095">KREAM</a><br><a class="itemLink" data-itemtype="2" data-itemid="15321" href="https://crates.co/label/big-beat-records/15321">Big Beat Records</a><br>2020-08-28<span class="toggle" data-itemid="3111004" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3059602" href="https://crates.co/release/imagine/3059602"><img alt="" src="./Crates_ Steve Aoki_files/1458dce1-4f65-4a6c-a520-7fa1197d60a8.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3059602" href="https://crates.co/release/imagine/3059602">Imagine</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="420210" href="https://crates.co/artist/frank-walker/420210">Frank Walker</a>, <a class="itemLink" data-itemtype="1" data-itemid="783061" href="https://crates.co/artist/aj-mitchell/783061">AJ Mitchell</a><br><a class="itemLink" data-itemtype="2" data-itemid="907" href="https://crates.co/label/ultra/907">Ultra</a><br>2020-07-17<span class="toggle" data-itemid="3059602" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3056784" href="https://crates.co/release/how-else-todd-terry-extended-mix/3056784"><img alt="" src="./Crates_ Steve Aoki_files/e29671e7-64bf-43fb-9edc-eee1cec0908b.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3056784" href="https://crates.co/release/how-else-todd-terry-extended-mix/3056784">How Else (Todd Terry Extended Mix)</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="460174" href="https://crates.co/artist/rich-the-kid/460174">Rich The Kid</a>, <a class="itemLink" data-itemtype="1" data-itemid="462587" href="https://crates.co/artist/ilovemakonnen/462587">ILOVEMAKONNEN</a><br><a class="itemLink" data-itemtype="2" data-itemid="907" href="https://crates.co/label/ultra/907">Ultra</a><br>2020-09-04<span class="toggle" data-itemid="3056784" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid="3028004" href="https://crates.co/release/last-of-me-arknights-soundtrack/3028004"><img alt="" src="./Crates_ Steve Aoki_files/412a24ad-38eb-4ea2-9ff7-d0811bd4aaf8.jpg"></a><a class="itemLink" data-itemtype="4" data-itemid="3028004" href="https://crates.co/release/last-of-me-arknights-soundtrack/3028004">Last Of Me - Arknights Soundtrack</a><br><a class="itemLink" data-itemtype="1" data-itemid="104181" href="https://crates.co/artist/steve-aoki/104181">Steve Aoki</a>, <a class="itemLink" data-itemtype="1" data-itemid="658000" href="https://crates.co/artist/runn/658000">RUNN</a><br><a class="itemLink" data-itemtype="2" data-itemid="907" href="https://crates.co/label/ultra/907">Ultra</a><br>2020-07-03<span class="toggle" data-itemid="3028004" data-itemtype="4"></span></div><div class="item cratePicker"><a class="itemLink" data-itemtype="4" data-itemid=" </html>'; $subst = "$4\t$3\t$2\t$5\t$1\n"; $result = preg_replace($re, $subst, $str); echo "The result of the substitution is ".$result;

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php