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POHow can you yank/print the match from a regular expression and only the match of a regular expression?
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  1. POHow can you yank/print the match from a regular expression and only the match of a regular expression?
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    copied!<p>I have a whole bunch of variable names that I need to move around between migration files, views, locale files and so forth.</p> <p>I don't want to re-type all of these, nor do I want to copy, paste and trim because I have done too much of that.</p> <p>I have been trying to pull these out through a regular expression but every time I try to do so, the entire line is printed instead of just the variable name I want that begin with ':' and end with '\s' as in: :name, :email, :home_phone, etc.</p> <p>How can I get these to just extract out what I want?</p> <p>I've been trying to do this in vim with:</p> <pre><code> :%s/:.*\s/y </code></pre> <p>Here's the input file:</p> <pre><code> &lt;%= f.input :name %&gt; &lt;%= f.input :email %&gt; &lt;%= f.input :home_phone %&gt; &lt;%= f.input :cell_phone %&gt; &lt;%= f.input :other_phones %&gt; &lt;%= f.input :last_position_candidate_id %&gt; &lt;%= f.input :last_position_title %&gt; &lt;%= f.input :last_position_company_id %&gt; &lt;%= f.input :last_position_start_date %&gt; &lt;%= f.input :last_position_salary %&gt; &lt;%= f.input :last_position_medical_insurance %&gt; &lt;%= f.input :last_position_christmas_bonus %&gt; &lt;%= f.input :last_position_annual_bonus %&gt; &lt;%= f.input :last_position_vehicle %&gt; &lt;%= f.input :last_position_other_benefits %&gt; &lt;%= f.input :conversational_english %&gt; &lt;%= f.input :written_english %&gt; &lt;%= f.input :vehicle %&gt; </code></pre> <p>This is what I would like to get:</p> <pre><code> :name :email :home_phone :cell_phone :other_phones :last_position_candidate_id :last_position_title :last_position_company_id :last_position_start_date :last_position_salary :last_position_medical_insurance :last_position_christmas_bonus :last_position_annual_bonus :last_position_vehicle :last_position_other_benefits :conversational_english :written_english :vehicle </code></pre>
 

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