Remove the Space from String using Apex Class

String str = ‘ TheBlogReaders.com    Salesforce.com, PHP, MySQL, Javascript, Ajax, Htacces   FREE Blog ‘;
str = str.trim();
str = str.replaceAll(‘(\\s+)’, ‘ ‘);
System.debug(‘OUTPUT:::’ + str);

OUTPUT: TheBlogReaders.com Salesforce.com, PHP, MySQL, Javascript, Ajax, Htacces FREE Blog.
Here: using the trim() function followed by a regex replacement using replaceAll() that matches instances of the space characters i.e. (\\s+) and replaces them with a single space.

How to remove space from a string in Salesforce?

deleteWhitespace() is used to remove spaces in a string in Salesforce.

Example Code:

String str = ‘Good Morning’;
system.debug(str.deleteWhitespace());
Output:
GoodMorning

For More details about String Funtion click below salesforce link:

http://www.salesforce.com/us/developer/docs/dbcom_apex250/Content/apex_methods_system_string.htm

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Salesforce MVP | Lightning Champion | 16x Salesforce Certified | Application Architect | 6x Trailhead Ranger | Techforce Services | Australia

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