- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- MS Excel
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP
- Physics
- Chemistry
- Biology
- Mathematics
- English
- Economics
- Psychology
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Match any string containing at most one p.
To match any string containing zero or one 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 one p. Here p is considered a number of occurrences −
<html> <head> <title>JavaScript Regular Expression</title> </head> <body> <script> var myStr = "Welcome 1, 100, 10000, 10000"; var reg = /10?/g; var match = myStr.match(reg); document.write(match); </script> </body> </html>
Advertisements