Match nonprintable characters

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Problem

Math these characters

  • bell
  • escape
  • form feed
  • line
  • feed
  • carriage return
  • horizontal tab
  • vertical tab
    1
    2
    hexadecimal ASCII codes :
    07, 1B, 0C, 0A, 0D, 09, 0B

Solution

1
\a\e\f\n\r\t\v
  • Regex options: None
  • Regex flavors: .NET, Java, PCRE, Python, Ruby
1
\x07\x1B\f\n\r\t\v
  • Regex options: None
  • Regex flavors: .NET, Java, JavaScript, Python, Ruby
1
\a\e\f\n\r\t\x0B
  • Regex options: None
  • Regex flavors: .NET, Java, PCRE, Perl, Python, Ruby
Representation Meaning Hex Regex flavors
‹\a› bell 0x07 .NET, Java, PCRE, Perl, Python, Ruby
‹\e› escape 0x1B .NET, Java, PCRE, Perl, Ruby
‹\f› form feed 0x0C .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
‹\n› line feed (newline) 0x0A .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
‹\r› carriage return 0x0D .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
‹\t› horizontal tab 0x09 .NET, Java, JavaScript, PCRE, Perl, Python, Ruby
‹\v› vertical tab 0x0B .NET, Java, JavaScript, Python, Ruby, Perl-5.10, PCRE-7.2

Variations

1
\cG\x1B\cL\cJ\cM\cI\cK
  • Regex options: None
  • Regex flavors: .NET, Java, JavaScript, PCRE, Perl, Ruby 1.9

The 7-bit character set

1
\x07\x1B\x0C\x0A\x0D\x09\x0B

  • Regex options: None
  • Regex flavors: .NET, Java, JavaScript, PCRE, Perl, Python, Ruby