Save & Share

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
There are currently no sponsors. Become a sponsor today!
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

Substitution
Processing...

Code Generator

Generated Code

import re regex = re.compile(r"((object|inherited) \w+:[ ](TMgDBEdit).*?)((Color = clInactiveCaptionText\n)|(\n\s+end))", flags=re.MULTILINE | re.IGNORECASE | re.DOTALL) test_str = (" object Ed_PRO_ST_DESCRICAO: TMgDBEdit\n" " Left = 132\n" " Top = 81\n" " Width = 675\n" " Height = 21\n" " AutoSize = False\n" " Color = clInactiveCaptionText\n" " DataField = 'PRO_ST_DESCRICAO'\n" " DataSource = Dm_AdmInt.Ds_Produtos_\n" " TabOrder = 4\n" " OnChange = Ed_PRO_ST_DESCRICAOChange\n" " OnExit = Ed_PRO_ST_DESCRICAOExit\n" " OnKeyPress = Ed_PRO_ST_DESCRICAOKeyPress\n" " Password = False\n" " end\n" " object Ed_PRO_ST_NARRATIVA1: TMgDBMemo\n" " Left = 132\n" " Top = 157\n" " Width = 675\n" " Height = 78\n" " DataField = 'PRO_ST_NARRATIVA'\n" " DataSource = Dm_AdmInt.Ds_Produtos_\n" " MaxLength = 500\n" " ScrollBars = ssVertical\n" " TabOrder = 7\n" " end\n") subst = "\\1ParentFont = True\\n" result = regex.sub(subst, test_str) if result: print(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 Python, please visit: https://docs.python.org/3/library/re.html