Beefy Boxes and Bandwidth Generously Provided by pair Networks
P is for Practical

Re^4: Making a regex case insensitive

by ikegami (Pope)
on Mar 06, 2007 at 18:45 UTC ( #603487=note: print w/ replies, xml ) Need Help??

in reply to Re^3: Making a regex case insensitive
in thread Making a regex case insensitive

Nothing is modified, not even letters. Case is preserved.

>perl -le "'aA' =~ /(.*)/i && print $1 aA

Only the matching is affected. /i causes lower- and upper-case letters to match lower- and upper-case versions of itself.

Maybe you were thinking of

>perl -le "lc('aA') =~ /(.*)/ && print $1 aa

Comment on Re^4: Making a regex case insensitive
Select or Download Code

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://603487]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others having an uproarious good time at the Monastery: (4)
As of 2015-07-04 04:03 GMT
Find Nodes?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...

    Results (57 votes), past polls