How do you grep two strings at a time?

How do you grep two strings at a time?

How do I grep for multiple patterns?

  1. Use single quotes in the pattern: grep ‘pattern*’ file1 file2.
  2. Next use extended regular expressions: egrep ‘pattern1|pattern2’ *. py.
  3. Finally, try on older Unix shells/oses: grep -e pattern1 -e pattern2 *. pl.
  4. Another option to grep two strings: grep ‘word1\|word2’ input.

How do you grep more than one pattern?

Grep Multiple Patterns To search for multiple patterns, use the OR (alternation) operator. The alternation operator | (pipe) allows you to specify different possible matches that can be literal strings or expression sets. This operator has the lowest precedence of all regular expression operators.

How use grep command to find a string in multiple files?

To search multiple files with the grep command, insert the filenames you want to search, separated with a space character. The terminal prints the name of every file that contains the matching lines, and the actual lines that include the required string of characters. You can append as many filenames as needed.

How do I search for a string in multiple files?

How do I combine multiple text files?

Ways to Combine Two (or More) Text Files

  1. Right-click on the desktop or in a folder and choose New | Text Document from the resulting Context menu.
  2. Name the text document anything you like, such as “Combined.
  3. Open the newly created text file in Notepad.
  4. Using Notepad, open a text file you want combined.
  5. Press Ctrl+A.

What is Qgrep?

qgrep.exe is a legitimate executable file developed by Google Inc. This process is known as Microsoft Quick Grep and it belongs to the software Microsoft(R) Windows (R) 2000 Operating System. It is commonly stored in C:\Windows\System32.

How do I search the contents of multiple files?

Go to Search > Find in Files (Ctrl+Shift+F for the keyboard addicted) and enter:

  1. Find What = (test1|test2)
  2. Filters = *. txt.
  3. Directory = enter the path of the directory you want to search in. You can check Follow current doc. to have the path of the current file to be filled.
  4. Search mode = Regular Expression.