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PYSPARK • LESSON 214

Format Validation via Regular Expressions

How can we validate that string fields like emails, phone numbers, or zip codes match expected standard regex formats?

Advanced3 Minutes830 XP
🤔 THE QUESTION

How can we validate that string fields like emails, phone numbers, or zip codes match expected standard regex formats?

💡 WHAT IS IT?

rlike() tests strings against regular expressions returning boolean true for compliant patterns.

🎯 WHAT IS IT USED FOR?

Validating email format compliance and zip code formats before marketing pipeline activation.

💻 EXAMPLE
df_valid_email = df.filter(col("email").rlike("^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$"))

🎯 Mission Objectives

Practice typing production-grade PySpark code for Format Validation via Regular Expressions.

  • rlike() regex testing
  • Pattern validation
  • String syntax verification