Regular Expressions 101

Positive Lookbehind(?<=;)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\s+any whitespace character, repeated at least once

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\n]+

+matches at least one character outside the set below:

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

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

(?<=;)\s+\/\/[^\n]+

New

function session(){
	return 1; // this default value for session
	just more code
	again, more code with a comment; // this is another comment
	a = "let's try // to check this one, no match!";
	return false;
	
}

Extraction

function session(){
	return 1; // this default value for session
	just more code
	again, more code with a comment; // this is another comment
	a = "let's try // to check this one, no match!";
	return false;
	
}