regex

[forzadraco]

anyone can help me to make regular expression

[code ]

$string="
xxxxx
xxxxx

";

i want to remove all word from that string if that string have minimal three word'x'

preg_replace(); how to make that regex?

[nav33n]

i want to remove all word from that string if that string have minimal three word'x'

I am not clear what you want. Do you want to search for xxx, if found, remove it ?

[forzadraco]

yes remove all if get same pattern.. the problem is how to make regex pattern...

[nav33n]

$pattern = "/x{3}/";
$string = preg_replace($pattern,'', $string);

This will look for xxx, if found, replaces it with null.

[forzadraco]

not like that.. iwant to remove all from if match with the pattern..

the pattern from

[bastones]

If you want to see if there are 3 or more x's, use:

$pattern = "/x{3,}/"

The {3} means looking for 3 of the preceding character but {3,} means 3or more. There's a great tutorial on regex in PHP here: http://www.sitepoint.com/article/regular-expressions-php/

[nav33n]

This isn't the best solution (Infact, its kinda sloppy!). First, use preg_match to search for pattern "xxx". If found, then, use preg_match again, but this time, search for pattern, '/. This will again return the string between