Regular Expressions 101

1st Alternative^(?:\/\/[^\r\n]*)

^start of line

Non-Capturing Group(?:\/\/[^\r\n]*)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\r\n]*

*matches any number of characters outside the set below:

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

2nd Alternative$\*[\s\S]*?(?:\*$|$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Character Class[\s\S]*?

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

\sany whitespace character

\Sany non-whitespace character

Non-Capturing Group(?:\*\)|$)

1st Alternative\*\)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative$

$end of line

3rd Alternative^\{(?!\$)[\s\S]*?(?:\}|$)

^start of line

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negative Lookahead(?!\$)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

Character Class[\s\S]*?

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

\sany whitespace character

\Sany non-whitespace character

Non-Capturing Group(?:\}|$)

1st Alternative\}

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative$

$end of line

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.

26 tokens

Regular Expression

^(?:\/\/[^\r\n]*)|\(\*[\s\S]*?(?:\*\)|$)|^\{(?!\$)[\s\S]*?(?:\}|$)

New

{text in here}
This is a compiler directive (not a comment):

{$text in here}