Toggle navigation
RegexPlanet
Testing
Go (beta)
Haskell (beta)
Java
JavaScript
.Net
Perl (beta)
PHP (beta)
PostgreSQL (beta)
Python
Ruby (beta)
Tcl (beta)
XRegExp (beta)
Previous version
Cookbook
Support
'/^[0-9]*$/'
Regular Expression
Regex:
'/^[0-9]*$/'
Try it:
Go
Haskell
Java
JavaScript
.Net
Perl
PHP
PostgreSQL
Python
Ruby
Tcl
XRegExp
Share it:
https://www.regexplanet.com/share/index.html?share=yyyydgr3vyr