I want to write a snippet for Debugging in TYPO3.
This is my Snippet-Code in php.json file:
"TYPO3 Extbase DebuggerUtility": {
"prefix": "ee",
"body": [
"\\TYPO3\\CMS\\Extbase\\Utility\\DebuggerUtility::var_dump($1,'$1');",
"$0"
],
"description": "TYPO3 Extbase DebuggerUtility"
},
If I want to debug something liket this : $this->settings['key'] I get this code:
\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($this->settings['key'],'$this->settings['key']');
But it should looks like this
\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($this->settings['key'],'$this->settings[\'key\']');
With escaped ' in the second part of that snippet.
EDIT
Thank you, but I think you missunderstood the question.
I don't want to escape a static character. I want to use the snippet and when I type the first $1-content it should be $this->settings['someKey'] but the second $1 (which is near the same) should automatically escape the ' chars I write, that I don't do this manually by hand.
So if i type '
first $1: ' second $1: \' that my Debug looks like this
Debug:
$this->settings['someKey']
contentOfsomeKey
I I don't escape the ' signs inside the "title of the debug" it breaks the string because ' wraps the debug-title.
In other words: I want to escape the content of the second $1 variable not the variable or the '-wrap in the snippet.
I hope I could clarify my issue.
If you want escape characters \ in your output you need to insert escaped escape characters: \\ this should result in single escape characters.
You might need an additional escape character if the following character needs an additional escaping: one backslash before quote \' = \\+ \' = \\\'
`
Related
Due to the document of glib.string.escape()
Escapes the special characters '\b', '\f', '\n', '\r', '\t', '\v', '\' and '"' in the string source by inserting a '\' before them.
Additionally all characters in the range 0x01-0x1F (everything below SPACE) and in the range 0x7F-0xFF (all non-ASCII chars) are replaced with a '\' followed by their octal representation. Characters supplied in exceptions are not escaped.
Now I want not eacape "0x7F-0xFF" characters. How to write the exceptions part?
my example code no work.
shellcmd = "bash -c \""+file.get_string(title,"List").escape("0x7F-0xFF")+"\"";
print("shellcmd: %s\n", shellcmd);
Process.spawn_command_line_sync (shellcmd,
out ls_stdout, out ls_stderr, out ls_status);
if(ls_status!=0){ list = ls_stderr.split("\n"); }
else{ list = ls_stdout.split("\n"); }
this works.
shellcmd = "bash -c \""+file.get_string(title,"Check").replace("\"","\\\"")+"\"";
You actually have to put the characters 0x7f to 0xff in the exceptions argument. So something like:
shellcmd = "bash -c \""+file.get_string(title,"List").escape("\x7F\x80\x81\x82…\xfe\xff")+"\"";
You would need to list them all manually.
Looking more generally at your code, you seem to be constructing a command to run. This is a very bad idea and you should never do it. It is wide open to code injection. Use Process.spawn_sync() and pass it an argument vector instead.
I want to run the following PowerShell script file from Jenkins Pipeline:
".\Folder With Spaces\script.ps1"
I have been able to do it with the following step definition:
powershell(script: '.\\Folder` With` Spaces\\script.ps1')
So I have to remember to:
escape the backslash with a double backslash (Groovy syntax)
escape the space with backtick (PowerShell syntax)
I would prefer to avoid at least some of this. Is it possible to avoid using the backtick escaping, for example? (Putting it between "" does not seem to work, for some reason.)
I found that it's possible to use the ampersand, or invoke, operator, like this:
powershell(script: "& '.\\Folder With Spaces\\script.ps1'")
That gets rid of the backtick escaping, and should make life a tiny bit easier.
To avoid escaping the backslashes you could use slashy strings or dollar slashy strings as follows. However you cannot use a backslash as the very last character in slashy strings as it would escape the /. Of course slashes as well would have to be escaped when using slashy strings.
String slashy = /String with \ /
echo slashy
assert slashy == 'String with \\ '
// won't work
// String slashy = /String with \/
String dollarSlashy = $/String with / and \/$
echo dollarSlashy
assert dollarSlashy == 'String with / and \\'
And of course you'll lose the possibility to include newlines \n and other special characters in the string using the \. However as both slashy and dollar slashy strings have multi line support at least newlines can be included like:
String slashyWithNewline = /String with \/ and \
with newline/
echo slashyWithNewline
assert slashyWithNewline == 'String with / and \\ \nwith newline'
String dollarSlashyWithNewline = $/String with / and \
with newline/$
echo dollarSlashyWithNewline
assert dollarSlashyWithNewline == 'String with / and \\ \nwith newline'
If you combine that with your very own answer you won't need both of the escaping.
The regex I'm using in my application is a combination of user-input and code. Because I don't want to restrict the user I would like to escape all regex-relevant characters like "+", brackets , slashes etc. from the entry.
Is there a function for that or at least an easy way to get all those characters in an array so that I can do something like this:
for regexChar in regexCharacterArray{
myCombinedRegex = myCombinedRegex.replaceOccurences(of: regexChar, with: "\\" + regexChar)
}
Yes, there is NSRegularExpression.escapedPattern(for:):
Returns a string by adding backslash escapes as necessary to protect any characters that would match as pattern metacharacters.
Example:
let escaped = NSRegularExpression.escapedPattern(for: "[*]+")
print(escaped) // \[\*]\+
I am having difficulties replacing a string containing special characters using sed. My old and new string are shown below
oldStr = "# td=(nstates=20) cam-b3lyp/6-31g geom=connectivity"
newStr = "# opt b3lyp/6-31g geom=connectivity"
My sed command is the following
sed -i 's/\# td\=\(nstates\=20\) cam\-b3lyp\/6\-31g geom\=connectivity/\# opt b3lyp\/6\-31g geom\=connectivity/g' myfile.txt
I dont get any errors, however there is no match. Any ideas on how to fix my patterns.
Thanks
try s|# td=(nstates=20) cam-b3lyp/6-31g geom=connectivity|# opt b3lyp/6-31g geom=connectivity|g'
you can use next to anything after s instead of /, as your expression contains slashes I used | instead. -, = and # don't have to be escaped (minus only in character sets [...]), escaped parens indicate a group, nonescaped parens are literals.
I want to clean my text from html tags, html spacial characters and characters like < > [ ] / \ * ,
I used $str = preg_replace("/&#?[a-zA-Z0-9]+;/i", "", $str);
it works well with html special characters but some characters doesn't remove like :
( /*/*]]>*/ )
how can I remove these characters?
If you are really using php as it looks like, you can just use:
$str = htmlspecialchars($str);
All HTML chars will be escaped (which could be better than just stripping them). If you really want just to filter these characters, what you need to do is escape those characters on the chars list:
$str = preg_replace("/[\&#\?\]\[\/\\\<\>\*\:\(\);]*/i","",$str);
Notice there's just one "/[]*/i", I removed the a-zA-Z0-9 as you should want these chars in. You can also classify only the desired chars to enter your string (will give you trouble with accentuations like á é ü if you use them, you have to specify every accepted char):
$str = preg_replace("/[^a-zA-Z0-9áÁéÉíÍãÃüÜõÕñÑ\.\+\-\_\%\$\#\!\=;]*/","",$str);
Notice also there's never too much to escape characters, unless for example for the intervals (\a-\z would do fine, \a-\z would match a, or -, or z).
I hope it helps. :)
Regular expression for html tags is:
/\<(.*)?\>/
so use something like this:
// The regular expression to remove HTML tags
$htmltagsregex = '/\<(.*)?\>/';
// what shit will substitute it
$nothing = '';
// the string I want to apply it to
$string = 'this is a string with <b>HTML tags</b> that I want to <strong>remove</strong>';
// DO IT
$result = preg_replace ($htmltagsregex,nothing,$string);
and it will return
this is a string with HTML tags that I want to remove
That's all