Run Code  | API  | Code Wall  | Users  | Misc  | Feedback  | Login  | Theme  | Privacy  | Patreon 

Regex - Leading zeros

Language: Layout:
+ ] Show input
Compilation time: 0.06 sec, absolute running time: 0.12 sec, cpu time: 0.11 sec, average memory usage: 16 Mb, average nr of threads: 4 
edit mode |  history  | discussion
000003923892 is vaild string False
000003923892 is vaild string False
0003923892 is vaild string True
003923892 is vaild string True
03923892 is vaild string True
3923892 is vaild string True