我一直试着找一个我需要的正则表达式.
之前有3个字符.和小数点后的两个字符.
之前有3个字符.和小数点后的两个字符.
我试试这个
[+ -]?[0-9]{0,3}[.]?[0-9]{0,2} # but accepted as 55555 or the
[+ -]?[0-9]{0,3}[.][0-9]{0,2} # but this is not accepted as the 44
有人能帮我吗？
