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Replace illegal charactes in a text by underscore in PHP


Replace illegal charactes in a text by underscore in PHP

By : Bagya
Date : November 21 2020, 04:01 AM
I wish this help you I would build a regex (character class, to be exact) using your whitelisted characters, and then remove any character which matches the negation of that class.
code :
$allowed_char_array = array("a","b","c","d","e") // and others
$chars = implode("", $allowed_char_array);
$regex = "/[^" . $chars . "]/u";
$input = "imageЙ ййé.png";
echo $regex . "\n";
$output = preg_replace($regex, "_", $input);
echo $input . "\n" . $output;

imageЙ ййé.png
image_ __é.png
preg_replace("/[^abcdefghijklmnopqrstuv]/u, "_", $input);


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Javascript replace text after an underscore

Javascript replace text after an underscore


By : user2940750
Date : March 29 2020, 07:55 AM
should help you out I am trying to replace some text after an underscore in a filename.
code :
filename = filename.replace('_true','_false');
<img src="FileName_true.png"
onclick="this.src=(this.src.indexOf('_true')!=-1)?this.src.replace('true','false'):this.src.replace('false','true')" />
uncapitalize all text and replace spaces with underscore in an php array

uncapitalize all text and replace spaces with underscore in an php array


By : panda098
Date : March 29 2020, 07:55 AM
wish helps you I've got this array $all_regions = system_region_list($theme);
code :
foreach ($all_regions as $key => $value){
   $all_regions[$key] = strtolower(str_replace(' ', '_', $value));
}
foreach ($all_regions as &$value){
   $value = strtolower(str_replace(' ', '_', $value));
}
How to replace a text with underscore using sfk filter command

How to replace a text with underscore using sfk filter command


By : user3378880
Date : March 29 2020, 07:55 AM
it should still fix some issue I have got a temporary file that my script creates and it has got the following path within it , If it's the only string in the file:
code :
set /p string= < file.txt
echo %string:~11% > file.txt
Replace space with underscore in Swift 4 Text Fields

Replace space with underscore in Swift 4 Text Fields


By : Márk Simon
Date : March 29 2020, 07:55 AM
wish of those help Try this Also it's better to trim end spaces as not to be replace-able with _
code :
let aString = "first last"
let newString = aString.replacingOccurrences(of: " ", with: "_")
@IBAction func fullNameEditingEnded(_ sender: Any) {
    let userName = fullnameTextfield.text?.lowercased()
    usernameTextfield.text = userName.replacingOccurrences(of: " ", with: "_")
}
How do I replace the <> charactes with sed in a cmd script in windows? They are interpreted as redirection operato

How do I replace the <> charactes with sed in a cmd script in windows? They are interpreted as redirection operato


By : Gemini Hsu
Date : March 29 2020, 07:55 AM
help you fix your problem @Tiw helped me understand the abomination. Tnx ;)
Unfortunately, command prompt (regardless of OS) is not an option - not in my current task.
code :
sed.exe -i -r "s,<!--css-->,qwerty,g" outfile
sed.exe -i -r "s,^<!--css--^>,qwerty,g" outfile
sed.exe -i -r "s,<^!--css-->,qwerty,g" outfile
sed.exe -i -r "s,^<^!--css--^>,qwerty,g" outfile
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