Batch Delete unwanted items using regular expressions in word

Use the Regular Expression in word to batch Delete unwanted things 1. When replacing empty rows, select "Regular Expression" and replace all "^ $" (excluding quotation marks) with none. 2. Enter a space between the deleted word and the word in the search box ([! A-zA-Z0-9 \]) ([! A-zA-Z0-9 \ []), enter \ l \ 2 in the replace as box, and then click replace all to OK. The above indicates that the search content does not include English letters, numbers, and symbols.] \ 1 indicates the first part of the search, \ 2 indicates the second part of the content found. The space between the first part of the content and the second part of the content is removed, so the entire replacement is complete. 3. delete a line break in the form of a webpage and select a manual line break.