Javascript正则表达式匹配空字符串，非数字字符或超过1位数的数字？

Question

I'm trying to match empty strings, non-digit characters or numbers with more than 1 digit.

Examples:

"", "a", "abc", "10"

I tried:

/^([^1-9]*)|(\d{2,})$/

but it doesn't work.

Answer 1

您可以使用以下正则表达式：

/^(\d{2,}|[^\d]+|)$/