Text Extraction and Regex challenge

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The image shows a RegEx Builder application with a regex pattern and its components defined, alongside options for quantifiers and case sensitivity settings. (Captioned by AI)
The image shows a RegEx Builder application with a regex pattern and its components defined, alongside options for quantifiers and case sensitivity settings. (Captioned by AI)1422×891 24.5 KB

This image shows an open UiPath Studio window with a sequence of activities designed to find matching patterns in text and write the output to the console. (Captioned by AI)
This image shows an open UiPath Studio window with a sequence of activities designed to find matching patterns in text and write the output to the console. (Captioned by AI)1920×1080 322 KB

got the error

The image shows a debug window of an automation workflow in development, highlighting an error message "Write Line: Object reference not set to an instance of an object." (Captioned by AI)
The image shows a debug window of an automation workflow in development, highlighting an error message "Write Line: Object reference not set to an instance of an object." (Captioned by AI)1415×672 47.3 KB