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i have multiple document which has lines which starts with blank space. those lines should be removed.
how can one remove a line which contains a blank space in the beginning and no other chars?
Find and Replace (Ctrl + h) than on Search Mode settings check Regular expression. After you sett the box to search with regex patterns enter this into the Find what field: ^([ ]+)$ and leave the replace field empty. Than click Replace All. That’s it.
This will find all lines starting with a space character (may contain more that one space) but that have NO other character after the space/s.