Including punctuation marks.

Tool: Remove unwanted line numbers.

Purpose: Remove unwanted line numbers from the start each line often encountered from copying code blocks.
Instructions: Load working-text, enter number's delimiter into "Numbers are delimited by" field and click "Remove line numbers and their delimiter" button. If numbers do not have a delimiter, click the "Remove all numbers from start of line to first letter" button to remove line numbers (and punctuation marks if checked) from line start to first letter.

Working-text is:

1.First line.
2.Second line.
3.Third line.

Enter number delimiter . and click "Remove line numbers and their delimiter" button to produce:

First line.
Second line.
Third line.