Regular Expression Search & Replacement Examples

Search String

Replace String

Effect

*.*

%1>.%2>

c:\windows\win.ini => C:\WINDOWS\WIN.INI

+[a-z]

%1>

Windows => WINDOWS

7*.htm

5%1.htm

711.htm => 511.htm
7days.htm => 5days.htm

[253]7[832].htm

%15%2.htm

3572.htm => 3552.htm

*[253]7[832].htm

%15%2.htm

72.htm => 52.htm

(homepage|index).htm

%11.htm

homepage.htm => homepage1.htm
index.htm => index1.htm

+(12)*[0-9]

%1%2a

12532 => 12532a
1212753 => 1212753a

*(d|m).htm

%1%2%3d1.htm

card.htm => card1.htm
form.htm => ford1.htm

*[\r]\n!(\r\n)

\r\n

Converts UNIX to DOS end-of-line termination.

?(Windows)

OS/2

Windows => OS/2 (just kidding)

back2.jpg*[]height=”30″

back2.jpg%1height=”32″

src=”http://d2nwkt1g6n1fev.cloudfront.net/helpmax/wp-content/uploads/sub/searchandreplace/en/source/images/back2.jpg” alt=”Go Back”  border=”0″ width=”57″ height=”30″

becomes:

src=”http://d2nwkt1g6n1fev.cloudfront.net/helpmax/wp-content/uploads/sub/searchandreplace/en/source/images/back2.jpg” alt=”Go Back”  border=”0″ width=”57″ height=”32″

Note: This search – replace changes the height setting for ‘back2.jpg’ regardless of differing ‘alt’ text or how the html editor line breaks the code across lines.