匹配特定数字：^[1-9]d*$//匹配正整数^-[1-9]d*$//匹配负整数^-?[1-9]d*$//匹配整数^[1-9]d*|0$//匹配非负整数（正整数+0）^-[1-9]d*|0$//匹配非正整数（负整数+0）^[1-9]d*.d*|0.d*[1-9]d*$//匹配正浮点数^-([1-9]d*.d*|0.d*[1-9]d*)$//匹配负浮点数^-?([1-9]d*.d*|0.d...