Regular Expressions 101

Explanation
Pro

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

.*?any character, repeated any number of times

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

varthe literal text var (case sensitive)

\s*any whitespace character, repeated any number of times

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\sany whitespace character

Group 1(.*?)

.*?any character, repeated any number of times

Positive Lookahead(?=\s*;)

\s*any whitespace character, repeated any number of times

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

\/\*.*?\$var\s*\=\s(.*?)(?=\s*;)

$var = .... ;
/*
other code
$var = ..... ;
other code
*/'

$var = .... ;
/*
other code
$var = ..... ;
other code
*/'