Comments (4)
https://gist.github.com/WebReflection/6225242 by @WebReflection might be of use.
For jsesc
, the problem is I need to remove any escape sequences from the re.source
before I can go ahead and escape everything as needed — but special escape sequences for regular expressions (such as \d
etc.) must be preserved.
So, is there a clever way to go from /abc©\xA9/g
to /abc©©/g
without manually parsing every possible escape sequence?
from jsesc.
var re = /abc©\xA9/g;
alert(
JSON.stringify(re.source).replace(
/\\\\(x[a-zA-Z0-9]{2}|u[a-zA-Z0-9]{4})/g,
function(m, c){
return String.fromCharCode(parseInt(c.slice(1), 16));
}
)
);
// string abc©©
from jsesc.
@WebReflection: Neat idea, but doesn't quite work. Try /abc©\\xA9\xA9/g
.
from jsesc.
Mine was a hint... You can improve that with extra checks/changes ;-) I would have pushed a change otherwise
from jsesc.
Related Issues (20)
- Live example? HOT 1
- option for forcing `longhand` HOT 1
- Browser Support? HOT 1
- `none` mode HOT 1
- an option should exist to keep long \uuYY unicode insted of \xYY HOT 1
- Usage of string.prototype.repeat breaks IE11 HOT 2
- enable escaping to extended ascii HOT 1
- Notes source HOT 2
- Add option to whitelist certain characters HOT 1
- indent option only is valid when compact is false (!true) HOT 1
- use minimal form for property names when possible
- detect and throw on cyclic references
- support Date objects HOT 1
- Map and Set included in JSON output HOT 1
- Check for existence of Buffer HOT 1
- feature: use backticks as string delimiter HOT 2
- Git.io deprecation notice
- Add an option to use numeric literal separators per thousands
- Can't we unescape? HOT 1
- Rename LICENSE-MIT.txt to LICENSE
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