I want to replace a complex string using regex.

Question

1.00/5 (1 vote)

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Hello guys,

I want to replace

Java

Logger.info(className, dasd + "sadsd" );

with

Java

Logger.info(className, dasd + "sadsd" + " [" + Thread.currentThread().getStackTrace()[1].getLineNumber() + "]");

using regex.

how to do this?
Thanks

What I have tried:

I've been able to identify the first string as

Logger.[a-z]+.\(([^)]+)\);

But cant create the replacement string

Posted 12-Jan-23 0:38am

Kundan D

Updated 12-Jan-23 17:13pm

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Comments

Richard MacCutchan 12-Jan-23 6:46am

Why do you think a regex is simpler than the code you already have??

Kundan D 12-Jan-23 20:28pm

I want to add the thread statement to all the loggers in our code base.
The logger follows a similar format as I've shown and there are thousands of loggers so I cant edit them one by one so regex is simpler I think

2 solutions

Solution 1

Given the pattern:

RegEx

Logger.([a-z]+)\(([^)]+)\);

then a replacement pattern of:

RegEx

Logger.$1($2 + " [" + Thread.currentThread().getStackTrace()[1].getLineNumber() + "]");

should do the trick.

Demo[^]

Posted 12-Jan-23 0:58am

Richard Deeming

Comments

CPallini 12-Jan-23 7:07am

5.

Kundan D 12-Jan-23 21:59pm

This is close but doesnt work.

the dasd + "sadsd" string is representative, there can be absolutely anything there... so it will be better if you can accommodate all that into a single group. There can be nums, strings, parenthesis too. I need to cover all those cases, maybe i should've included that in my original question.

Richard Deeming 13-Jan-23 4:03am

The pattern allows absolutely anything there except a closing bracket.

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Kundan D · Accepted Answer · 2023-01-12T17:13:00

Solution 2

I think i got it to work

Search: Logger.([a-z]+)\(([a-z]+),((.*)+)\);

 

Replace with: 
Logger.$1($2, $3 + " [" + Thread.currentThread().getStackTrace()[1].getLineNumber() + "]");

Please feel free to suggest any improvements!

Thank you @Richard Deeming for showing the way

Posted 12-Jan-23 17:13pm

Kundan D

Updated 12-Jan-23 17:14pm

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I want to replace a complex string using regex.

2 solutions

Solution 1

Solution 2

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I want to replace a complex string using regex.

2 solutions

Solution 1

Solution 2

Add your solution here

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