<div dir="ltr">Hello<br><br>1> IsDigit = fun(C) -> C >= $0 andalso C =< $9 end.<br>#Fun<erl_eval.6.52032458><br>2> S = "123a456".<br>"123a456"<br>3> [IsDigit(I) || I <- S]. <br>[true,true,true,false,true,true,true]<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2016-09-18 13:56 GMT-03:00 <span dir="ltr"><<a href="mailto:lloyd@writersglen.com" target="_blank">lloyd@writersglen.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
Now this I would not expect:<br>
<br>
4> S = "123a456".<br>
"123a456"<br>
<br>
5> is_integer(S).<br>
false<br>
<br>
6> [is_integer(I) || I <- S].<br>
[true,true,true,true,true,<wbr>true,true]<br>
<br>
Please tell me what I don't understand.<br>
<br>
Many thanks,<br>
<br>
LRP<br>
<br>
<br>
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