To match any string containing zero or more p’s with JavaScript RegExp, use the p* Quantifier.
Example
You can try to run the following code to match any string containing zero or more p’s. Here, p is considered as a number of occurrences −
<html> <head> <title>JavaScript Regular Expression</title> </head> <body> <script> var myStr = "Welcome! Wweeeelcome to our website!"; var reg = /el*/g; var match = myStr.match(reg); document.write(match); </script> </body> </html>