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string.replace w/ reg exp not replacing

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Oct 18.2007

I’m having a regular expressing problem. When I pass the following:

[quote]

This is a test path. Here is a new line

Here are a couple of asterisk tests:
**
And here ** within a line.

Finally, here is a bbcode
[vid=”flythrough”]

[/quote]

into the following javascript funtion

[code]
txtHelper.saveText= function(txt)
{
txt.replace(/n/g, “\n”);
txt.replace(/**/g, “[]”);
}
[/code]

it doesn’t change anything, neither the new lines into “n” or the asterisks into “[]”. I know I must be missing something simple.

TIA,
anw

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JavaScript

3 Comments(s) ↴

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@scragarOct 18.2007 — [code=php]txtHelper.saveText= function(txt)
{
txt.replace(/n/g, "\n");
txt.replace(/**/g, "[]");
return txt
}[/code]EDIT:

actualy, I think I should just point out that only objects are normaly passed by reference in javascript, and as far as I know the isn't a standard method of passing them by reference, so your edits to txt here has no change on the value of the variable you pass unless you do something like:[code=php]var x ="cheese";
x = covert(x);
function convert(){
return arguments[0].replace(/e/g, "a");
};[/code]sorry I can't say much more of help.
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@anwauthorOct 19.2007 — Ha! Yes. I went off and had a couple of pitchers of beer, and this epiphany occurred to me. It works for the brackets, and I think for the new lines. When I send

This is a test path. Here is a new line

Here are a couple of asterisk tests:

**

And here ** within a line.

Finally, here is a bbcode

[vid="flythrough"]
[/quote]
through this:
<i>
</i>txtHelper.saveText= function(txt)
{
var str, rstr;
str= txt.replace(/n/g, "\n");
rstr= str.replace(/**/g, "[]");
return rstr;
}

I get this

This is a test path. Here is a new linennHere are a couple of asterisk tests:n[]nAnd here [] within a line.nnFinally, here is a bbcoden[vid="flythrough"]n
[/quote]
So, I think it's working. Just got to get to the decoding and try it!

Thanks so much,

anw
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@KorOct 19.2007 — [B]scragar[/B] better use the wrapping [ code ] [ /code], instead of [ php ][ /php ] when using Regular Expressions (or any code with escapes...)

/x/ will be
<i>
</i>/x/

but
[code=php]
/x/
[/code]
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