Hello all.
I want to write a regex to check if a whole string is a number.
With my current regex([0-9]+) numbers will be carved out of things like
aaa456 (hit: 456) and I circumvent this by checking the lengths for
inequality, which is stupid. My regex is surely missing something?
Thank you for
I want to write a regex to check if a whole string is a number.
With my current regex([0-9]+) numbers will be carved out of things like
aaa456 (hit: 456) and I circumvent this by checking the lengths for
inequality, which is stupid. My regex is surely missing something?
Try ^ and $ if
On Tue, 31 Jan 2012 16:29:43 +, NewName wrote:
Hello all.
I want to write a regex to check if a whole string is a number. With my
current regex([0-9]+) numbers will be carved out of things like
aaa456 (hit: 456) and I circumvent this by checking the lengths for
inequality, which is
You want to match the beginning and end of the input as well:
^[0-9]+$
Thanks.
NewName:
Hello all.
I want to write a regex to check if a whole string is a number.
Also:
import std.stdio, std.string, std.array;
void main() {
string s = 123;
assert(s.removechars(0-9).empty);
}
Bye,
bearophile
