HardText Processing

Repeated Word Detector

Write a regex that detects when the same word appears twice in a row separated by whitespace, such as 'the the' or 'is is', a common typo in written text.

Your pattern

Sample text

the the cat sat / this is is a test / no repeats here / buffalo buffalo buffalo

Test cases

the the cat satexpect match
this is is a testexpect match
no repeats hereexpect no match
buffalo buffalo buffaloexpect match
hello worldexpect no match
cat catsexpect no match
she said said nothingexpect match