Really similar blog post to a previous one I made on removing trailing white space.
Much like that use case, I also use this frequently when drafting configuration changes for Cisco and other network devices. I've run into weird edge cases in the past where start of line white spaces result in line wraps or out of order commands when copy and pasting, or using something like netmiko's .send_config_from_file function to push a blob of configuration to a device
In sublime text
Ctrl+H to bring up the find/replace
Alt+R to enable regex
in the find box, copy ^\s+ make sure the s is lower case!
Keep the replace box empty
At your discretion, select Replace or Replace All to remove start of line whitespaces.
Its worth noting, this will also remove newlines, condensing your text. Machines like this, but humans tend not to as its not really pretty to look at.
Before:
After:
