[英]Regular expression to replace middle chars of a string
I would like to replace middle 4 characters of a string with ****我想用 **** 替换字符串的中间 4 个字符
For example: ABCDEFG should become AB****G例如:ABCDEFG 应该变成 AB****G
Please suggest a Regex to achieve this.请建议一个正则表达式来实现这一点。
Note: The length of the string is always same.注意:字符串的长度始终相同。
Found the solution that I was looking for:找到了我正在寻找的解决方案:
var s="ABCDEFG" var s="ABCDEFG"
var reg=/\b(\w{2})\w+(\w)\b/g var reg=/\b(\w{2})\w+(\w)\b/g
s.replace(reg, '$1**$2'); s.replace(reg, '$1**$2');
output: AB****G output:AB****G
This will replace all the middle chars except first 2 and last 1 char in a string.这将替换字符串中除了前 2 个和最后 1 个字符之外的所有中间字符。
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