Question

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How do I match any character across multiple lines in a regular expression?

I am currently making a software, working like Notepad++

I am using regex to find the words, and give them a color. However; I got stuck on coloring the multiple line comments.

Sample: /* This is a multiline comment */

Using my currently regex: /\*.*?\*/ – It is working properly until a newline is being placed.

So it matches: /*This, for instance!*/
But does not match:

/* This kind of comments
 - Where multiple lines is placed...
*/

So I was wondering, instead of using the [dot] for finding the words inside the comment, can I then use some other, match all operator?

• I am using C#s class ‘Regex‘

Answer 1

Try this one might work for you.

/\**.*?\*/

RegexOptions must be set to MultiLine

Screenshot from RegexBuddy,