Difference between revisions of "Regex"
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(Created page with "==regex== *^[ \t]+ //finds all the space and tabs *[1-9]\. //finds all the line numbers. (replace with #) *[A-E]\. //find A. etc (replace with ##) to clean special characte...") |
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===sites=== | ===sites=== | ||
*http://rubular.com | |||
*http://e-texteditor.com/blog/2010/beyond-vi | *http://e-texteditor.com/blog/2010/beyond-vi | ||
*http://www.grymoire.com/Unix/Regular.html#uh-2 | *http://www.grymoire.com/Unix/Regular.html#uh-2 | ||
Revision as of 17:54, 9 August 2013
regex
- ^[ \t]+ //finds all the space and tabs
- [1-9]\. //finds all the line numbers. (replace with #)
- [A-E]\. //find A. etc (replace with ##)
to clean special characters from a string
$clean = preg_replace("/^[^a-z0-9]?(.*?)[^a-z0-9]?$/i", "$1", $text);
sites
- http://rubular.com
- http://e-texteditor.com/blog/2010/beyond-vi
- http://www.grymoire.com/Unix/Regular.html#uh-2
- http://www.regular-expressions.info/php.html
expressions
If you want to get'Aloha World'out
Input:
Hello World
Aloha World
Hey There
RegEx:
\<div\sclass\=\"somename\"\>(?<Text>.*?)\<\/div\>
Yields:
Aloha World (note: In a single group named Text)
