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POSearch string for numbers
 

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    <p>I have a javascript chat bot where a person can type into an input box any question they like and hope to get an accurate answer. I can do this but I know I'm going about this all wrong because I don't know what position the number will appear in the sentence. If a person types in exactly:</p> <p>what's the square root of 5 this works fine. </p> <p>If he types in things like this it doesn't. </p> <p>what is the square root of the 5</p> <p>the square root of 5 is what</p> <p>do you know what the square root of 5 is</p> <p>etc</p> <p>I need to be able to determine where the number appears in the sentence then do the calculation from there. Note the line below is part of a bigger working chatbot. In the line below I'm just trying to be able to answer any square root question regardless of where the number appears in the sentence. I also know there are many pitfalls with an open ended input box where a person can type anything such as spelling errors etc. This is just for entertainment not a serious scientific project. :) </p> <pre><code>if( (word[0]=="what's") &amp;&amp; (word[1]=="the") &amp;&amp; (word[2]=="square") &amp;&amp; (word[3]=="root") &amp;&amp; (word [4]=="of") &amp;&amp; (input.search(/\d{1,10}/)!=-1) &amp;&amp; (num_of_words==6) ){ var root= word[5]; if(root&lt;0){ document.result.result.value = "The square root of a negative number is not possible."; }else{ word[5] = Math.sqrt(root); word[5] = Math.round(word[5]*100)/100 document.result.result.value = "The square root of "+ root +" is "+ word[5] +"."; } return true; } </code></pre> <p>Just to be clear the bot is written using "If statemments" for a reason. If the input in this case doesn't include the words "what" and "square root" and "some number" the line doesn't trigger and is answered further down by the bot with a generic "I don't know type of response". So I'm hoping any answer will fit the format I am using. Be kind, I'm new here. I like making bots but I'm not much of a programmer. Thanks.</p>
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    1. USKendall Frey
    1. USmister movie
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    1. COWow. You sure take your entertainment to high levels. :)
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      1. USKendall Frey
 

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