CSS not working when I add it to multiple files using the Regular expression mode

guy038

Hello, @dr-ramaanand, @alan-kilborn and All,

Yes, @dr-ramaanand, you’re right : we have to escape the parentheses, but also to escape the escape character, too, if it occurs as a literal !!

Thus, this is an UPDATED version of my previous post !

Ah…, of course, you cannot do it that way because when you try to insert a multi-line text into the Replace zone of the Replace, Find in Files or Find in Projects tab, you just get the very first line of your text

First, I verified, from this link https://www.w3schools.com/html/html_css.asp, that the internal multi-lines CSS section ( <style>...........</style> ) is generally located, right before the HTML </head> tag

So, I supposed that you want to insert the CSS part, below :

<style>
.container {
    display: flex;
}
.container > div {}
}
@media (max-width: 480px) {
.left {
  width: 150px;
  border-width:1px;
  border-style:solid;
  border-color:lightblue;
  padding-top:10px;
}
.right {
  width: 140px;
  border-top:1px solid lightblue;
}
}
</style>

Right before the </head> tag of some of your HTML files, don’t you ?

If so, here is the correct way to insert a multi-lines text !

Copy all your CSS section in a new tab
Verify that the last line </style> is followed with a line-break
Open the Replace dialog ( Ctrl + H )
- Uncheck all box options
- SEARCH ([()\\])|\R
- REPLACE ?1\\\1:\\r\\n
- Check the Wrap around option
- Select the Regular expression search mode
- Click on the Replace All button

You should get this text :

<style>\r\n.container {\r\n    display: flex;\r\n}\r\n.container > div {}\r\n}\r\n@media \(max-width: 480px\) {\r\n.left {\r\n  width: 150px;\r\n  border-width:1px;\r\n  border-style:solid;\r\n  border-color:lightblue;\r\n  padding-top:10px;\r\n}\r\n.right {\r\n  width: 140px;\r\n  border-top:1px solid lightblue;\r\n}\r\n}\r\n</style>\r\n

Now, in order to test my method :

Copy this tiny HTML text, below, in an other new tab

<!DOCTYPE html>
<html>
<head>
</head>
<body>

<h1>This is a heading</h1>
<p>This is a paragraph.</p>

</body>
</html>

Re-open the Replace dialog ( Ctrl + H )
- Uncheck all box options
- SEARCH (?-i)(?=</head>)
- REPLACE <style>\r\n.container {\r\n display: flex;\r\n}\r\n.container > div {}\r\n}\r\n@media \(max-width: 480px\) {\r\n.left {\r\n width: 150px;\r\n border-width:1px;\r\n border-style:solid;\r\n border-color:lightblue;\r\n padding-top:10px;\r\n}\r\n.right {\r\n width: 140px;\r\n border-top:1px solid lightblue;\r\n}\r\n}\r\n</style>\r\n
- Check the Wrap around option
- Select the Regular expression search mode
- Click on the Replace All button

You should be left with your expected OUTPUT text :

<!DOCTYPE html>
<html>
<head>
<style>
.container {
    display: flex;
}
.container > div {}
}
@media (max-width: 480px) {
.left {
  width: 150px;
  border-width:1px;
  border-style:solid;
  border-color:lightblue;
  padding-top:10px;
}
.right {
  width: 140px;
  border-top:1px solid lightblue;
}
}
</style>
</head>
<body>

<h1>This is a heading</h1>
<p>This is a paragraph.</p>

</body>
</html>

Voila ;-))

IMPORTANT : Note that the method to change any multi-lines text ( with search = ([()\\])|\R and replacement = ?1\\\1:\\r\\n ) is not specific to your HTML case.

It will, indeed, allow you to fill in the resulting multi-lines text into the Replace with : zone, which will be inserted, identically, at the exact location defined in the Find what : zone !!

Best Regards,

guy038

dr ramaanand

@guy038 merci beaucoup!

Alan Kilborn

@guy038

It seems like your solution is a long route when the OP was looking for a short route.

Much shorter is what I guessed at and seemingly what the OP was already doing:

select the replacement text in the editor
press Ctrl+f
swap Find what and Replace with (using the button)
overwrite Find what
“escape” any ( or ) characters in Replace with
execute Replace in Files

guy038

Hello, @alan-kilborn and All,

Alan, I grant you : your idea is more direct and simpler than mine ;-))

However, let’s suppose that an OP is working on a Lisp program and that he wants to insert this Lisp module which converts any roman number into its decimal equivalent number

For instance, in Lisp, with the program below and the question (trad 'MCMXCV), it would return 1995 ( I do not know this language and I just suppose that it’s true ! )

(de trad (Z) (cond  ;                \* ROMAN number -> DECIMAL number *\
					(( eq Z 'I) 1)
					(( eq Z 'V) 5)
					(( eq Z 'X) 10)
					(( eq Z 'L) 50)
					(( eq Z 'C) 100)
					(( eq Z 'D) 500)
					(( eq Z 'M) 1000)
					((atom Z) (trad (explodech Z)))
					((null (cdr Z)) (trad (car Z)))
					((< (trad (car Z)) (trad (cadr Z)))
					(- (trad (cdr Z)) (trad (car Z))))
					(t (+ (trad (car Z)) (trad (cdr Z)) )) ))

No doubt that using my mehtod will be safer !!

Note that I included a LISP comment, which begins with a semi-colon, adding a comment with a C-like syntax in order to place anti-slashes in my example !

After aplying the regex S/R :

SEARCH ([()\\])|\R
REPLACE ?1\\\1:\\r\\n

against this List module, you would get the text below, which could be correctly inserted, as it, in a larger Lisp program !

\(de trad \(Z\) \(cond  ;                \\* ROMAN number -> DECIMAL number *\\\r\n					\(\( eq Z 'I\) 1\)\r\n					\(\( eq Z 'V\) 5\)\r\n					\(\( eq Z 'X\) 10\)\r\n					\(\( eq Z 'L\) 50\)\r\n					\(\( eq Z 'C\) 100\)\r\n					\(\( eq Z 'D\) 500\)\r\n					\(\( eq Z 'M\) 1000\)\r\n					\(\(atom Z\) \(trad \(explodech Z\)\)\)\r\n					\(\(null \(cdr Z\)\) \(trad \(car Z\)\)\)\r\n					\(\(< \(trad \(car Z\)\) \(trad \(cadr Z\)\)\)\r\n					\(- \(trad \(cdr Z\)\) \(trad \(car Z\)\)\)\)\r\n					\(t \(+ \(trad \(car Z\)\) \(trad \(cdr Z\)\) \)\) \)\)\r\n

Best Regards,

guy038

Well, this example is a bit “far-fetched”, but, as I knew that the Lisp language abuses parentheses, I couldn’t resist ! LOL

Alan Kilborn

@guy038 said in CSS not working when I add it to multiple files using the Regular expression mode:

No doubt that using my method will be safer !!

Understood.
I was just trying to help OP by sticking with his exact problem.
It’s fine to present more complicated situations in follow-on discussions, as you did.

dr ramaanand

@guy038 The gist of the matter is that parentheses, that is rounded, simple brackets have to be escaped with a backslash like \( and \) or else they will be skipped during any replacement

Alan Kilborn

@dr-ramaanand said in CSS not working when I add it to multiple files using the Regular expression mode:

The gist of the matter is that parentheses…

Perhaps equally important for possible future readers of this topic is showing a technique to get multiline text into the Replace with box! :-)

dr ramaanand

For those who’ve searched online and come here, let me tell you that I had already made the mistake of not escaping the parentheses, just as @guy038 gave as a solution first which was faulty as it skipped adding the parentheses. I had ended up with @media max-width: 480px {. However, you need not fret if you have made the same mistake, just put @media max-width: 480px in the Find field, select the Regular expression mode, put @media \(max-width: 480px\) and hit the Replace in files button and you will end up with the correct result which is @media (max-width: 480px) {

dr ramaanand

@Alan-Kilborn said in CSS not working when I add it to multiple files using the Regular expression mode:

Perhaps equally important for possible future readers of this topic is showing a technique to get multiline text into the Replace with box! :-)

Yes, for multiple lines to be added, we have to put Line1\r\nLine2\r\nLine3\r\nLine4 in the Replace in files field to get one line below the other.

Alan Kilborn

@dr-ramaanand said:

for multiple lines to be added, we have to put Line1\r\nLine2\r\nLine3\r\nLine4

OK, so now any possible benefit of the original technique is probably lost to future readers. :-(