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This message was posted by a user wishing to remain anonymous

Hi All,

We need to create a match rule ensuring that the Id attribute is not null, not composed solely of whitespace, and not a string consisting of repeated identical characters (e.g., numeric values such as 0000, 00, or 000000000, alphabetic values such as XXX or xxxxx, or mixed-case repetitions like XXxXXX). Tried regex ^(.)(?!\\1+$).*$ but it does not produce the expected results, as it only compares the first character rather than validating the entire string. The expected behavior is as follows:

1. 768976547 and 768976547 → Match: True
2. 768976547 and 768976546 → Match: False
3. 444444 and 444444 → Match: False
4. 4444441 and 4444441 → Match: True.

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Try regex (?i)^([a-z0-9])\1+$=> in the RegexpReplaceCleanser, and compare the attribute using exact operator 

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Thanks,
Snehil Kamal
Senior Solution Architect
Reltio
Bangalore
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Original Message:
Sent: 11-10-2025 02:44
From: Anonymous Member
Subject: Filter required in Match Rule (Ignore string consist of all same chars)

This message was posted by a user wishing to remain anonymous

Hi All,

We need to create a match rule ensuring that the Id attribute is not null, not composed solely of whitespace, and not a string consisting of repeated identical characters (e.g., numeric values such as 0000, 00, or 000000000, alphabetic values such as XXX or xxxxx, or mixed-case repetitions like XXxXXX). Tried regex ^(.)(?!\\1+$).*$ but it does not produce the expected results, as it only compares the first character rather than validating the entire string. The expected behavior is as follows:

1. 768976547 and 768976547 → Match: True
2. 768976547 and 768976546 → Match: False
3. 444444 and 444444 → Match: False
4. 4444441 and 4444441 → Match: True.

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