Regular Expressions 101

^start of string

Group 1( (?: [^{}\<\>] | \{(?1)\} | \<(?1)\> ) *+ )

Non-Capturing Group(?: [^{}\<\>] | \{(?1)\} | \<(?1)\> )*+

*+repeats the group contents below any number of times:

1st Alternative [^{}\<\>]

Negated Character Class[^{}\<\>]

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative \{(?1)\}

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

(?1)calls group 1 as a subroutine

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

3rd Alternative \<(?1)\>

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

(?1)calls group 1 as a subroutine

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^
(
  
  (?:
    
    [^{}\<\>] |
    \{(?1)\} | 
    \<(?1)\>
  )
  *+
)
$

New

{}{<>{<>}}

{}{<>{<>}}