MySQLdata extraction

Extract Hashtags from Text Column in MySQL with Regex

Use MySQL REGEXP to find and extract hashtags from social media text stored in database. SQL regex hashtag extraction examples.

The Regex Pattern

Regex pattern

#[a-zA-Z0-9_]+

Use this pattern with MySQL's REGEXP operator.

MySQL SQL Example

-- Extract all hashtags from a social_posts or comments table in MySQL where text column contains social media content
SELECT *
FROM your_table
WHERE your_column REGEXP '#[a-zA-Z0-9_]+';

How This Works

Extract all hashtags from a social_posts or comments table in MySQL where text column contains social media content. The regex pattern is used with MySQL's REGEXP operator to filter rows at the database level.

Using regex directly in SQL is efficient for use cases like data extraction — it avoids loading data into application memory just to filter it with a regex.

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