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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"(?m)(?<=^(\s*)(?:[^\s:][^:\r\n]*)?: \|\s*)(?:\r?\n(?!\1\S).*)+", flags=re.MULTILINE) test_str = ("kind: ConfigMap\n" "apiVersion: v1\n" "metadata:\n" " name: {{ .Release.Name }}-nginx-index-html-configmap\n" "data:\n" " startRegexMatch.html: |\n" " <!DOCTYPE html>\n" " <html>\n" " <head>\n" " <title>Up & Running!</title>\n" " <style>\n" " body {\n" " width: 60em;\n" " margin: 0 auto;\n" " font-family: Tahoma, Verdana, Arial, sans-serif;\n" " }\n" " </style>\n" " </head>\n" " <body>\n" " <h1>Up & Running!</h1>\n\n" " <pre style=\"float:left;\">\n" " 888 888 888 d88P 888 8888888P\" 8888888P\" 888 888 888d88888b888 888 888 8888888P\" 8888888b \"Y88b. 888\n" " 8888888888 88888888 \"Y8888P\" d88P 888 888 T88b 888 T88b \"Y88888P\" 888P Y888 \"Y88888P\" 888 T88b 888 Y88b \"Y8888P\" 888 </pre>\n" " </body>\n" " </html>\n" " stopRegexMatch:") 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