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Javascript Replace string problem

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Oct 21.2008

before
var str = “the The the The Lord of the Rings: The Fellowship of the Ring”;
var result = str.replace(/The/gi, “Ze”);

after
var str = M1.value;

————————–(Textbox1)——(Textbox2)
var result = str.replace(/ +’M1.value’+ /gi, “+M2.value+”);

I can’t get my M1.value and M2.value textbox’s to work in the replace str.

all I know is I am leaving out ‘ ” ‘ ‘ parentheses or something like that?

Thanks for any help ben

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JavaScript

5 Comments(s) ↴

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@Declan1991Oct 21.2008 — Too many actuallyvar result = str.replace(new RegExp(M1.value,"gi",M2.value);You have to use new RegExp("regular expression") when you want to pass a string.
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@orlandoauthorOct 21.2008 — I get an error "error on page".
[CODE]
<script type="text/javascript">

function del45a2(){


var result = str.replace(new RegExp(M1.value,"gi",M2.value);

document.write(result);
}
</script>
[/CODE]

<!-- Htlm body-->

<button onclick="del45a2();">Start</button>
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@DokOct 21.2008 — Declan missed a parenthesis
[CODE]var result = str.replace(new RegExp(M1.value,"gi"[COLOR="Red"])[/COLOR],M2.value);[/CODE]
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@orlandoauthorOct 22.2008 — [CODE]
alert("1") <!-- this alert shows -->

var result = str.replace(new RegExp(M1.value, "gi"),M2.value); <!--whats wrong -->

alert("2") <!-- this alert does not -->

[/CODE]
?
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@orlandoauthorOct 22.2008 — Ok...got it to work
<i>
</i>&lt;html&gt;&lt;head&gt;




&lt;script language="JavaScript"&gt;
function del45a3(){
var string = M0.value;
string = string.replace(new RegExp(M1.value, "gi"),M2.value);
M3.value=string;
}
&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;input type='text' id='M0' value='abbbabbbbbbaccccccakkkkk' /&gt;replace all the a's with .101. &lt;BR&gt;
&lt;input type='text' id='M1' value='a' /&gt;M1&lt;BR&gt;
&lt;input type='text' id='M2' value='.100.' /&gt;M2&lt;BR&gt;
&lt;input type='text' id='M3' value='' /&gt;M3&lt;BR&gt;



&lt;button onclick="del45a3();"&gt;Start&lt;/button&gt;
&lt;/body&gt;&lt;/html&gt;

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