应该是至多7位整数和2位小数吧.fantasy_wl阿谁必需固定位数了./^d{0,7}(.d{0,2})?$/g如许能够婚配34563456.73456.78不克不及婚配345678943456.3456.123.1234.34.3...

也就是说我们要实现如许的转换：之前之后foo(10,7,2)foo(7,10,2)foo(x+13,y-2,10)foo(y-2,x+13,10)foo(bar(8),x+y+z,5)foo(x+y+z,bar(8),5)下面那条替代号令可以实现那一魔法：:%s/foo(\(*\...