Regular Expressions 101

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

onlythe literal text only (case sensitive)

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

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

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 2((?:[^{}]++|(?1))*)

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

*repeats the group contents below any number of times:

1st Alternative[^{}]++

Negated Character Class[^{}]++

++matches at least one character outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative(?1)

(?1)calls group 1 as a subroutine

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\\only\s*({((?:[^{}]++|(?1))*)})

New

\only{
      \begin{equation*}
            \psi_{w}(B)(1-B)^{d}y_{t,w} = x^{T}_{t,w}\gamma_{w} + \eta_{w}(B)z_{t,w},
            \label{eq:gen_arima}
        \end{equation*}
    }

\only{
    }

Substitution

$2