postgresqlHow do I use PostgreSQL regexp to match a pattern?
PostgreSQL provides the regexp_matches function to match a pattern. This function returns all matched parts of a string.
Example
SELECT regexp_matches('Hello World', '\w+ \w+', 'g');Output example
{Hello,World}The code above uses regexp_matches to search for two words in a string.
Parts of the code:
SELECT regexp_matches- this is the function used to match a pattern('Hello World', '\w+ \w+', 'g')- this is the pattern to be matched.\w+ \w+means one or more word characters followed by a space followed by one or more word characters. Thegflag stands for global and means that the pattern should be matched multiple times.
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