比如 三行数据
ab
cd
替换为
1ab
1cd
This topic created in 2545 days ago, the information mentioned may be changed or developed.
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ShangShanXiaShan Aug 27, 2019
(\w+)
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gIrl1990 OP @ShangShanXiaShan java 里面 应该怎么写？"ab\n\ncd".replace ？？？
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ShangShanXiaShan Aug 27, 2019
是的
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gIrl1990 OP @ShangShanXiaShan 不明白啊，你能写完整吗？
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5
lhx2008 Aug 27, 2019 via Android
这种情景用 if 搞下就行了
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6
ShangShanXiaShan Aug 27, 2019  1
"ab\n\ncd".replaceAll("(\\w+)", "1$1")
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gIrl1990 OP |
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9
TangMonk Aug 27, 2019
let me google that for you
https://stackoverflow.com/questions/988655/can-i-replace-groups-in-java-regex |
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