Regular Expressions 101

Pro

Group 1([\d-]+)

Character Class[\d-]+

+matches at least one character from the set below:

\da digit

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(\\footnote.*?\}, p\.)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

footnotethe literal text footnote (case sensitive)

.*?any character (except for line terminators), repeated any number of times

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

, pthe literal text , p (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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.

25 tokens

Regular Expression

([\d-]+)(\\footnote.*?\}, p\.)

New

53\footnote{Author Name, \textit{Book Title}, p..}
3\footnote{Author Another, \textit{Book Old}, p..}
5-6\footnote{Author Onemore, \textit{Book New}, p..}

Extraction

53\footnote{Author Name, \textit{Book Title}, p..}
3\footnote{Author Another, \textit{Book Old}, p..}
5-6\footnote{Author Onemore, \textit{Book New}, p..}