Regular Expressions 101

^start of line

Negated Character Class[^{}\n]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\na line-feed (newline) character (ASCII 10)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Positive Lookahead(?=[^}]*#)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

=>the literal text =>

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^[^{}\n]*{(?=[^}]*#)[^}]*=>[^}]*}

New

%nav.cf
  %ul.cf
    %li
      %a{
        :href => "#"
      } Item 1
    %li
      %a{href => "#"} Item 2
    %li
      %a{:href => "#"} Item 2
    %li
      %a{:href => "#"} Item 3

  %a{:href => "#", :id => "openup"} MENU

%h1 Basic Responsive Menu
%p Playing around and learning HAML + SCSS - Basic Responsive Menu.