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How to replace into Vi

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# 1  
Old 06-25-2007
How to replace into Vi
Ravi .
Pawan 19.23
sanjeeva .

I want to replace '.' into 'NULL' not the dot between 19.23 .. only single dots to NULL

how to do replacement after opening file in Vi
# 2  
Old 06-25-2007
Code:
:%s/ *\. */NULL/g
:w

# 3  
Old 06-25-2007
Vino,
Your substitution will replace all instances of '.', including '19.23'.
The Regular Expression ' *' means zero or more instances of space.
In other words, it will consider anything as true, as any non-space
character means zero instances of space.
Also the solution should keep the space after the name.
Here is one possible solution:
Code:
:%s/ \./ NULL/

# 4  
Old 06-25-2007
Quote:
Originally Posted by Shell_Life
Vino,
Your substitution will replace all instances of '.', including '19.23'.
The Regular Expression ' *' means zero or more instances of space.
In other words, it will consider anything as true, as any non-space
character means zero instances of space.
Also the solution should keep the space after the name.
Here is one possible solution:
Code:
:%s/ \./ NULL/

Good catch !
# 5  
Old 06-25-2007
Thanks, you are a great player.
Cheers.
# 6  
Old 06-25-2007
It should have read
Code:
:%s/ \{1,\}\. \{0,\}/ NULL/g

Ah.. its an overkill !Smilie
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