https://au.mathworks.com/help/matlab/ref/string.extractbefore.html
extractBefore - Extract substrings before specified positions - MATLAB
This MATLAB function extracts the substring that begins with the first character of str and ends before the substring specified by pat.
extract substringsspecifiedpositionsmatlab
https://community-forums.domo.com/main/discussion/41360/sql-beast-mode-to-extract-substrings-and-output-to-multiple-new-columns
SQL/Beast Mode to extract substrings and output to multiple new columns - Domo Community Forum
beast modeextract substringscommunity forumsqloutput
https://www.techbrothersit.com/2025/07/pyspark-tutorial-extract-data-with.html
Extract Substrings in PySpark with regexp_extract()
Extract Substrings in PySpark with regexp_extract() Extract Substrings with regexp_extract() in PySpark ...
extract substringspysparkregexp