METRON-1431 Adding REGEX_REPLACE(input, regex, value) to Stellar

[1havran]

Contributor Comments

Adding REGEXP_REPLACE(input, pattern, value) function to Stellar that will replace all occurrences of regex pattern within the input by provided value.

[Stellar]>>> ?REGEXP_REPLACE
REGEXP_REPLACE
Description: Replace all occurences of the regex pattern within the string by value

Arguments:
        string - The input string
        pattern - The regex pattern to be replaced. Special characters must be escaped (e.g. \\d)
        value - The value to replace the regex pattern

Returns: The modified input string with replaced values

[Stellar]>>> IPs:='1.1.1.1 2.2.2.2 3.3.3.3 4.4.4.4 5.5.5.5'
1.1.1.1 2.2.2.2 3.3.3.3 4.4.4.4 5.5.5.5
[Stellar]>>> REGEXP_REPLACE(IPs, '\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}', 'x.x.x.x')
x.x.x.x x.x.x.x x.x.x.x x.x.x.x x.x.x.x
[Stellar]>>>

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[ottobackwards]

This looks great! A couple of feedback things

[ottobackwards]

Can you add tests for passing in empty or null strings?

[1havran]

Indeed, more tests included.

[ottobackwards]

I think you want to check for null or empty

StringUtils.isEmpty(str)

[1havran]

Thanks for a hint, it is fixed now.

[ottobackwards]

+1 by inspection. Thank you for the contribution

[ottobackwards]

please remember to take care of your jira