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regexp: convert upper case to lower case
stef25

10+ Year Member



 
Msg#: 3602229 posted 6:23 pm on Mar 16, 2008 (gmt 0)

could anyone tell me how to do this, in the format of replace(x,x)? i have a regexp cheat sheet that has the posix notations as [:upper:] and [:lower:] but firebug throws an error when i try to use this.

id imagine this is quite simple, just cant track it down. thanks!

 

DrDoc

WebmasterWorld Senior Member drdoc us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 3602229 posted 7:04 pm on Mar 16, 2008 (gmt 0)

You have two ways of approaching this:

1) In JavaScript: string = string.toUpperCase();
2) Use CSS to display it in all caps regardless of string casing

MarkFilipak

5+ Year Member



 
Msg#: 3602229 posted 11:40 pm on Mar 16, 2008 (gmt 0)

FYI: Javascript uses perl-style regular expressions, not posix.

replace(/x/ig, 'X') will find all occurrences of 'x' or 'X' and replace them with 'X', and
replace(/x/ig, 'x') will find all occurrences of 'x' or 'X' and replace them with 'x',
but the toUpperCase() and toLowerCase() methods are the preferred way to shift case with an arbitrary string.

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