<html> <body> <script type="text/javascript"> function check_time() { var elem = document.getElementById('timeStr'); var orig_str = elem.value; //24 hour var _reg = new RegExp(/^([01][0-9]|2[0-3]):[0-5][0-9]$/); alert(_reg.test(orig_str)); } </script> <input type="text" id="timeStr"> <input type="button" value="test" onclick="check_time()" /> </body> </html>
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Thursday, June 14, 2007
Check Time with a Regular Expression in javascript
copy following code to save a html file, and run it.