Regular Expressions 101

Pro

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

beginthe literal text begin (case sensitive)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

displaymaththe literal text displaymath (case sensitive)

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

Group 1(.+?)

.+?any Unicode character (except for line terminators), repeated at least once

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

endthe literal text end (case sensitive)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

displaymaththe literal text displaymath (case sensitive)

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

Detailed match information will be displayed here automatically.

25 tokens

\\begin\{displaymath\}(.+?)\\end\{displaymath\}

New

\begin{displaymath}sometext\end{displaymath}

\begin{displaymath}sometext\end{displaymath}