Regular Expressions 101

Pro

<Notes>the literal text <Notes> (case sensitive)

Non-Capturing Group(?:(?!<\/?Notes>|sample)[\s\S])*

*repeats the group contents below any number of times:

Negative Lookahead(?!<\/?Notes>|sample)

1st Alternative<\/?Notes>

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

Notes>the literal text Notes> (case sensitive)

2nd Alternativesample

samplethe literal text sample (case sensitive)

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

samplethe literal text sample (case sensitive)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Notes>the literal text Notes> (case sensitive)

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

<Notes>(?:(?!<\/?Notes>|sample)[\s\S])*sample[\s\S]*?<\/Notes>

New

TextBefore<Notes>this is sample notes</Notes>TextWithsample<Notes>this is sample notes</Notes>

TextBefore<Notes>this is sample notes</Notes>TextWithsample<Notes>this is sample notes</Notes>