Java - Replace a specific string sequence

Question

I got a string x with a value. There, I want to replace a sequence of xx111159 as idno where xx can be anything but it must be replaced. Other chars remain the same.

Example: ab111159ab as idnoab and cd111159 as idno.

Is there a way for this to be done with Replace funct? I know a way that would need to check if the last chars is 111159 but that would cause to read the whole string one by one char...

Is this safe to assume that the string will always start with xx111159? Whats would you expect as a result if the string contains only 111159 i.e. it start with 111159 without any char in front of the sequence? — Trying
– Trying, Commented Dec 23, 2016 at 23:16

oschlueter · Accepted Answer · 2016-12-23 23:18:44Z

2

With a regular expression and String.replaceAll() you can accomplish your goal:

String result = x.replaceAll(".{2}111159", "idno");

Where . matches any character and {2} ensures there's two characters before 111159.

answered Dec 23, 2016 at 23:18

oschlueter

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1 Comment

DevilsHnd - 退した Over a year ago

plus 1 because you explained the expression.

Alon · Accepted Answer · 2016-12-23 23:17:19Z

2

Use regex and replace

 str = str.replaceAll(".{2}111159","idno")

answered Dec 23, 2016 at 23:17

Alon

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Comments

larsgrefer · Accepted Answer · 2016-12-23 23:17:26Z

1

Use a regular expression:

x = x.replaceAll(".{2}111159", "idno");

answered Dec 23, 2016 at 23:17

larsgrefer

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