Regular Expressions 101

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 1((?:[\s\S](?!\*\/|@))*)

Non-Capturing Group(?:[\s\S](?!\*\/|@))*

*repeats the group contents below any number of times:

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

Negative Lookahead(?!\*\/|@)

1st Alternative\*\/

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative@

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

@((?:[\s\S](?!\*\/|@))*)

New

/**
         * Queries the data and returns the value for the given x, y cartesian
         * pair
         * @param x Number The x Co-ordinate being queried
         * @param y Number The y Co-ordinate being queried
         * @return Number The value at the given co-ordinate, or -1 if the 
         * co-ordinate is invalid (data will never naturally be less than 0)
         **/

Regular Expression

Substitution