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  #1  
Old October 10th, 2011, 10:19 AM
RussellEngland RussellEngland is offline
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Insert space before capitals

I need to put a space before each capital letter, unless there is a capital before it.

// Strings sent
$string = "JobTitle";
$string = "UserGUID";

// Response required
$string = "Job Title";
$string = "User GUID";

Any ideas?

This works in PHP but not as efficient as preg_replace()

PHP Code:
function spacebeforecapital($text) {
        
// Should be able to achieve this through the magical wizardy of preg_replace()
        
$chars str_split($text,1);
        
$first true;
        
$prevchar " ";
        
$response="";
        foreach(
$chars as $char) {
            if (
$first) {
                
$response $char;
                
$first false;
            }
            else {
                if (
preg_match('/[A-Z]$/'$char) && (!(preg_match('/[A-Z]$/'$prevchar)))) {
                    
// Its a capital! and the previous character isn't a capital
                    
$response += " ";
                }
                
$response += $char;
            }
            
$prevchar $char;
        }
        return (
$response);
    } 

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  #2  
Old October 10th, 2011, 11:26 AM
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That's one crazy solution considering how you can do it with preg_replace() like
PHP Code:
 preg_replace('/([^A-Z ])\B([A-Z])/''$1 $2'$string

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Old October 11th, 2011, 04:26 AM
RussellEngland RussellEngland is offline
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Quote:
Originally Posted by requinix
That's one crazy solution considering how you can do it with preg_replace() like
PHP Code:
 preg_replace('/([^A-Z ])\B([A-Z])/''$1 $2'$string


Brilliant! Thank you

Regex is a bit of a mystery to me...

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