Regular Expressions 101

@ifthe literal text @if (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1(.*?)

.*?any character, repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s+any whitespace character, repeated at least once

{{the literal text {{

\s*any whitespace character, repeated any number of times

Group 2(.*)

.*any character, repeated any number of times

\s*any whitespace character, repeated any number of times

}}the literal text }}

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

@if\((.*?)\)\s+{{\s*(.*)\s*}}

New


@if(topLevel)
{{
  <form method="post">
    @if(bottomLevel)
    {{
      <input>
    }}
  </form>
}}