At 02:54 PM 1/12/01 , Jerry Lake wrote:
>is it possible with regex to
>change one or more text characters
>followed by a space into the same
>characters followed by a tab?
>
>Jerry Lake
For example -
$NewString = ereg_replace("([[:alpha:]]+) ", "\\1".chr(9), $String);
This will convert a sequence of one or more alphabetic characters followed
by one space to the same set of characters followed by a tab (that's the
chr(9) part).
If you want to match only a specific set of text characters - say, a, e, i,
o and u - then you can use
$NewString = eregi_replace("([aeiou]+) ", "\\1".chr(9), $String);
Notice i used eregi_replace() instead of ereg_replace(); the 'i' means case
INsensitive.
Of course, there are other ways of doing this with preg_replace and
str_replace, both of which are faster than ereg_replace (str_replace is the
fastest); I happen to use ereg becaouse I'm most familiar with it, since it
came along before the preg_ functions. As always, you can check out the docs:
http://www.php.net/ereg_replace
http://www.php.net/eregi_replace
http://www.php.net/str_replace
http://www.php.net/preg_replace
-steve
(The usual off-the-top-of-my-head-untested-code-snippet caveats apply)
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| Steve Edberg University of California, Davis |
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