Regular Expressions 101

Explanation
Pro

1st Alternative(?i)--.*

(?i)applies the following effective flags to the remainder of the pattern: gmi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

--the literal text --

.*any character (except for line terminators), repeated any number of times

2nd Alternative/\*(?s).*?\*/

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

(?s)applies the following effective flags to the remainder of the pattern: gmis

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

.*?any character, repeated any number of times

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

(?i)--.*|/\*(?s).*?\*/

New

/* bllalal
dfmkdmfd
dfdsfsd  */

/*lllll*/

/* bllalal
dfmkdmfd
dfdsfsd  */

/*lllll*/