Pyspark array contains substring. It returns null if the array itself is null, true if the element exists, and false otherwise. pyspark. This makes it super fast and convenient. . dataframe. Jul 30, 2024 · The instr () function is a straightforward method to locate the position of a substring within a string. Under the hood, Spark SQL is performing optimized array matching rather than using slow for loops in Python. com'. You can use it to filter rows where a column contains a specific substring. DataFrame and I want to keep (so filter) all rows where the URL saved in the location column contains a pre-determined string, e. In this comprehensive guide, we‘ll cover all aspects of using the contains() function in PySpark for your substring search needs. functions. Nov 11, 2021 · pyspark dataframe check if string contains substring Ask Question Asked 4 years, 4 months ago Modified 4 years, 4 months ago Oct 12, 2023 · This tutorial explains how to filter for rows in a PySpark DataFrame that contain one of multiple values, including an example. Nov 10, 2021 · How to use . array_contains(col, value) [source] # Collection function: This function returns a boolean indicating whether the array contains the given value, returning null if the array is null, true if the array contains the given value, and false otherwise. sql. When used these functions with filter (), it filters DataFrame rows based on a column’s initial and final characters. With array_contains, you can easily determine whether a specific element is present in an array column, providing a Jan 29, 2026 · pyspark. Jan 26, 2026 · pyspark. pyspark. Jul 30, 2009 · array array_agg array_append array_compact array_contains array_distinct array_except array_insert array_intersect array_join array_max array_min array_position array_prepend array_remove array_repeat array_size array_sort array_union arrays_overlap arrays_zip ascii asin asinh assert_true atan atan2 atanh avg base64 between bigint bin binary Nov 10, 2021 · How to use . String functions can be applied to string columns or literals to perform various operations such as concatenation, substring extraction, padding, case conversions, and pattern matching with regular expressions. contains () in PySpark to filter by single or multiple substrings? Ask Question Asked 4 years, 4 months ago Modified 3 years, 6 months ago Nov 18, 2025 · pyspark. functions module provides string functions to work with strings for manipulation and data processing. 'google. Dec 19, 2022 · Use filter () to get array elements matching given criteria. Oct 12, 2023 · This tutorial explains how to filter for rows in a PySpark DataFrame that contain one of multiple values, including an example. Jan 27, 2017 · I have a large pyspark. Apr 17, 2025 · The primary method for filtering rows in a PySpark DataFrame is the filter () method (or its alias where ()), combined with the contains () function to check if a column’s string values include a specific substring. This function is particularly useful when dealing with complex data structures and nested arrays. Introduction to array_contains function The array_contains function in PySpark is a powerful tool that allows you to check if a specified value exists within an array column. Aug 19, 2025 · PySpark startswith() and endswith() are string functions that are used to check if a string or column begins with a specified string and if a string or column ends with a specified string, respectively. startsWith () filters rows where a specified substring serves as the Jan 29, 2026 · pyspark. contains () in PySpark to filter by single or multiple substrings? Ask Question Asked 4 years, 4 months ago Modified 3 years, 6 months ago Aug 21, 2025 · The PySpark array_contains() function is a SQL collection function that returns a boolean value indicating if an array-type column contains a specified element. This function can be applied to create a new boolean column or to filter rows in a DataFrame. PySpark provides a simple but powerful method to filter DataFrame rows based on whether a column contains a particular substring or value. Nov 3, 2023 · This is where PySpark‘s array_contains () comes to the rescue! It takes an array column and a value, and returns a boolean column indicating if that value is found inside each array for every row. Column: A new Column of Boolean type, where each value indicates whether the corresponding array from the input column contains the specified value. Since, the elements of array are of type struct, use getField () to read the string type field, and then use contains () to check if the string contains the search term. g. dlroo accqxko fcgrkx fdxmo zlxht vjvcqmqd fnxh gqey vjeeo vyu