Converts text string to sentence case

converts text string to "sentence case" -- capitalizes the first letter of every sentence, and makes the rest lower case. helpful when you need to convert content that is in all caps.

Source code:

Preview:

<script type="text/javascript">

function firstLetterUpper(theString) {
 var newString = theString.toLowerCase().replace(/(^\s*\w|[\.\!\?]\s*\w)/g,function(c){return c.toUpperCase()});
  return newString;
}

function convertToSentenceCase() {
  var theString = document.testForm.theString.value;
  //alert(theString);
  var newString = firstLetterUpper(theString);
  //console.log("Converted: "+newString);
  document.getElementById('theString').value = newString;
}

</script>

<br />
<div dir="ltr" style="text-align: left;" trbidi="on">
<form name="testForm">
<textarea cols="50" id="theString" name="theString" rows="5" style="height: 133px; margin: 0px; width: 467px;">converts text string to "sentence case" -- capitalizes the first letter of every sentence, and makes the rest lower case. helpful when you need to convert content that is in all caps.</textarea>
  <button onclick="convertToSentenceCase();return false;">Convert to Sentence Case</button>
</form>

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