How to search for occurrences of more than one space between words in a line

Question

How to search for occurrences of more than one space between words in a line  1  this is a line containing  2 spaces 2  this is a line containing   3 spaces 3  this is a line containing multiple spaces first  second   three   four   All the above are valid matches for this regex  What regex should I use

User · Answer

Search for     2    This will find two or more adjacent spaces anywhere within the line  It will also match leading and trailing spaces as well as lines that consist entirely of spaces  If you don t want that  check out Alexander s answer   Actually  you can leave out the brackets  they are just for clarity  otherwise the space character that is being repeated isn t that well visible       The problem with  s 2   is that it will also match newlines on Windows files  where newlines are denoted by CRLF or  r n which is matched by  s 2    If you also want to find multiple tabs and spaces  use    t  2

User · Answer

2     SPACE  2 or more     You could also check that before and after those spaces words follow   not other whitespace like tabs or new lines    w    2   w   the same  but you can also pick  capture  only the spaces for tasks like replacement   w     2    w   or see that before and after spaces there is anything  not only word characters  except whitespace      s      2      s

User · Answer

Simple solution     s 2      This matches all occurrences of one or more whitespace characters  If you need to match the entire line  but only if it contains two or more consecutive whitespace characters        s 2         If the whitespaces don t need to be consecutive         s    2

User · Answer

Here is my solution    0-9A-Z  n    This will remove all the digits  commas and new lines but select the middle space such as data set of    20171106 16632    ESCG0000018SB 20171107 280  ESCG0000018SB 20171106 70476    ESCG0000018SB

User · Answer

This regex selects all spaces  you can use this and replace it with a single space   s    example in python  result   re sub   s        data

[regex] How to search for occurrences of more than one space between words in a line

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