<div dir="ltr">Turns out it wasn't too hard to make a quick and dirty function for this. It will miss some things, but probably good enough. <div><br></div><div>Thanks!</div><div>Carl</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Mar 21, 2016 at 2:09 PM, Carl Schreck <span dir="ltr"><<a href="mailto:cjschrec@ncsu.edu" target="_blank">cjschrec@ncsu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Is there a function that would tell me if a string is a numeric? i.e., contains no letters and "tofloat" won't give a warning on it? <div><br></div><div>If not, has anyone already made one? Thanks!</div><div><br></div><div>e.g.:</div><div>str_is_numeric( "215" ) => True</div><div>str_is_numeric( "21.5" ) => True<br></div><div>str_is_numeric( "21e5" ) => True<br></div><div>str_is_numeric( "21N5" ) => False<br></div><div><br></div><div>Carl<br clear="all"><div><br></div>-- <br><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br><table border="0" cellpadding="2" cellspacing="2" style="max-width:100%;border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-size:14px;border:3px solid rgb(170,170,170);font-family:Times;line-height:12px;background-color:transparent"><tbody><tr><td align="center" height="71" width="71"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><a href="http://www.cicsnc.org/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank"><img src="http://www.cicsnc.org/assets/images/cicsnc-logo.png" width="96" height="93"></a> <a href="http://www.researcherid.com/rid/B-8711-2011" target="_blank"><br></a></span></span><br><font size="4"><b style="text-align:start;color:rgb(38,58,143);font-family:arial,helvetica,sans-serif"> <a href="http://www.cyclonecenter.org/" style="color:rgb(38,58,143);text-decoration:none" target="_blank">Cyclone</a></b><a href="http://www.cyclonecenter.org/" style="text-align:start;color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;text-decoration:none" target="_blank">Center.org</a> </font></td><td valign="top"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><b>Carl J. Schreck III, PhD</b><br></span></span><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><b>Research Scholar / Research </b></span></span><b style="font-family:arial,helvetica,sans-serif;font-size:11px">Assistant Professor</b><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><br></span></span><a href="http://www.cicsnc.org/" style="font-family:arial,helvetica,sans-serif;font-size:11px;color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">Cooperative Institute for Climate and Satellites NC (CICS</a><b><a href="http://www.cicsnc.org/" style="font-family:arial,helvetica,sans-serif;font-size:11px;color:rgb(38,58,143);text-decoration:none" target="_blank">-NC)</a> /</b><br><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><a href="https://meas.sciences.ncsu.edu/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">Department of Marine, Earth, and Atmospheric Sciences (MEAS)</a> <br><a href="http://ncsu.edu/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">North Carolina State University</a><br><a href="http://ncei.noaa.gov/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">NOAA National Centers for Environmental Information (NCEI)</a><br>151 Patton Ave, Asheville, NC 28801<br>e: </span></span><a href="mailto:carl_schreck@ncsu.edu" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">carl_schreck@ncsu.edu</a><br style="font-family:arial,helvetica,sans-serif;font-size:11px"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif">o: <a href="tel:%2B1%20828%20257%203140" value="+18282573140" target="_blank">+1 828 257 3140</a><br></span></span><span style="font-family:arial,helvetica,sans-serif;font-size:11px">c: <a href="tel:%2B1%20828%20484%201702" value="+18284841702" target="_blank">+1 828 484 1702</a><br></span><a href="http://scholar.google.com/citations?hl=en&user=th8ONEcAAAAJ&view_op=list_works&sortby=pubdate" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">Publications</a><br><a href="http://monitor.cicsnc.org/mjo/" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">monitor.cicsnc.org/mjo</a><br style="font-family:arial,helvetica,sans-serif;font-size:11px"></td></tr></tbody></table></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br><table border="0" cellpadding="2" cellspacing="2" style="max-width:100%;border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-size:14px;border:3px solid rgb(170,170,170);font-family:Times;line-height:12px;background-color:transparent"><tbody><tr><td align="center" height="71" width="71"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><a href="http://www.cicsnc.org/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank"><img src="http://www.cicsnc.org/assets/images/cicsnc-logo.png" width="96" height="93"></a> <a href="http://www.researcherid.com/rid/B-8711-2011" target="_blank"><br></a></span></span><br><font size="4"><b style="text-align:start;color:rgb(38,58,143);font-family:arial,helvetica,sans-serif"> <a href="http://www.cyclonecenter.org/" style="color:rgb(38,58,143);text-decoration:none" target="_blank">Cyclone</a></b><a href="http://www.cyclonecenter.org/" style="text-align:start;color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;text-decoration:none" target="_blank">Center.org</a> </font></td><td valign="top"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><b>Carl J. Schreck III, PhD</b><br></span></span><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><b>Research Scholar / Research </b></span></span><b style="font-family:arial,helvetica,sans-serif;font-size:11px">Assistant Professor</b><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><br></span></span><a href="http://www.cicsnc.org/" style="font-family:arial,helvetica,sans-serif;font-size:11px;color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">Cooperative Institute for Climate and Satellites NC (CICS</a><b><a href="http://www.cicsnc.org/" style="font-family:arial,helvetica,sans-serif;font-size:11px;color:rgb(38,58,143);text-decoration:none" target="_blank">-NC)</a> /</b><br><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif"><a href="https://meas.sciences.ncsu.edu/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">Department of Marine, Earth, and Atmospheric Sciences (MEAS)</a> <br><a href="http://ncsu.edu/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">North Carolina State University</a><br><a href="http://ncei.noaa.gov/" style="color:rgb(38,58,143);text-decoration:none;font-weight:bold" target="_blank">NOAA National Centers for Environmental Information (NCEI)</a><br>151 Patton Ave, Asheville, NC 28801<br>e: </span></span><a href="mailto:carl_schreck@ncsu.edu" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">carl_schreck@ncsu.edu</a><br style="font-family:arial,helvetica,sans-serif;font-size:11px"><span style="font-size:11px"><span style="font-family:arial,helvetica,sans-serif">o: +1 828 257 3140<br></span></span><span style="font-family:arial,helvetica,sans-serif;font-size:11px">c: +1 828 484 1702<br></span><a href="http://scholar.google.com/citations?hl=en&user=th8ONEcAAAAJ&view_op=list_works&sortby=pubdate" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">Publications</a><br><a href="http://monitor.cicsnc.org/mjo/" style="color:rgb(38,58,143);font-family:arial,helvetica,sans-serif;font-size:11px;text-decoration:none;font-weight:bold" target="_blank">monitor.cicsnc.org/mjo</a><br style="font-family:arial,helvetica,sans-serif;font-size:11px"></td></tr></tbody></table></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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