replaceall - Java中的String.replace

Question

我怎样才能改变string

st = "[123, 123, 134,    90]"

进入

s = "123 123 134 90"

Answer 1

用。。。来代替 ””

用。。。来代替 ” ”

用。。。来代替 ””

用。。。来代替 ””

Answer 2

感谢 Maroun Maroun

String st = "[123, 123, 134, 90]"

String s = st.replaceAll("\\["," ").replaceAll("\\]"," ").replaceAll(","," ");