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{00A0}", flags=re.UNICODE) test_str = ("<table class=\"product-description-table\">\n" "<tbody>\n" "<tr>\n" "<td class=\"item\" colspan=\"3\">Saepe Encomia 2.aD NEC Mirum Populo Soluni Iis 8679-1370 Status Error Sed 9.9</td>\n" "</tr>\n" "<tr>\n" "<td class=\"title\" colspan=\"3\"></td>\n" "</tr>\n" "<tr>\n" "<td class=\"content\"><br>\n" "<br>\n" "<p class=\"c1\"></p>\n" "<p class=\"c1\"></p>\n" "<strong><br></strong> <strong><br></strong> <strong>Donec Rem </strong><br>\n" "<br>\n" "<strong>Animam Urgebat<br>\n" "<br></strong> <strong><br>\n" "<br>\n" "Rerum Sed 8613 - 3669 8358 & 6699<br>\n" "<br>\n" "1.mE (magNA) QUO Ad Nominum Statum Massa<br>\n" "ab SEM Autem Reddet Habitu Sit<br>\n" "<br></strong> <strong> PRAEDAM ACCUMSAN PERSONARUM DENEGARE AC DUORUM</strong> <strong><br></strong> <strong><br></strong> <strong>Lius typi sit nec quo adversis cras ministri oppressa, versus class hic rem quos colubros ullo commune!economy!</strong><strong><br></strong><strong>                                                           ad Quisque Modeste</strong><strong>                                                           ac Rem Wisi</strong><strong>                                                           ex Hac Congue mus Leo</strong><strong>                                                           ab 7/92\" Alias</strong><strong>                                                           ad 2/73\" Adverso & Erat</strong><strong>                                                           me Personom Eget</strong><strong>                                                           ad Viribus Fuga Fuga</strong><strong>                                                           ab Louor-Sit Molles</strong><strong class=\"c2\">                                                           3x Block-Off Plates</strong><strong class=\"c2\">                                                           ad Facunda</strong><strong class=\"c2\">                                                           ab Personas Diam<br>\n" "NUNC<br>\n" "ex Teniet te Palmam Eaque<br>\n" "me Teniet in Versus Urna<br></strong> <strong><br></strong><br>\n" "<strong class=\"c3\">**CONDEMNENDUS REM CUM MAGNORUM**</strong><strong> </strong><br></td>\n" "<td class=\"product-content-border\"></td>\n" "</tr>\n" "<tr>\n" "<td class=\"gallery\" colspan=\"3\">\n" "<table>\n" "<tbody>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "<td></td>\n" "</tr>\n" "</tbody>\n" "</table>\n" "</td>\n" "</tr>\n" "<tr>\n" "<td></td>\n" "</tr>\n" "<tr>\n" "<td class=\"spacer\" colspan=\"3\"></td>\n" "</tr>\n" "<tr>\n" "<td class=\"product-content-border\"></td>\n" "</tr>\n" "</tbody>\n" "</table>\n" "<br>\n" "<br>\n" "<br>\n" "<p class=\"c4\"></p>") 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