This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Advanced_Search_Core::is_icu_regexp()

Verifies if the DB uses ICU REGEXP implementation.

Description

MySQL implements regular expression support using International Components for Unicode (ICU), which provides full Unicode support and is multibyte safe.

(Prior to MySQL 8.0.4, MySQL used Henry Spencer’s implementation of regular expressions, which operates in byte-wise fashion and is not multibyte safe.

Return

(bool)

Source

File: includes/modules/header_footer_grid/components/advanced_search_core.php 


			

			

				
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Related


		
					
			

				
Used By

				

					Used By
					
						

							Used By
							Description
						

					
					
												

							
								includes/modules/header_footer_grid/components/advanced_search_core.php:
								Advanced_Search_Core::posts_search()
							
							
								
Filters the search SQL that is used in the WHERE clause of WP_Query.

									
						

											
				


							

			

		

	

		
Changelog


		

			Changelog
			
				

					Version
					Description
				

			

			
									
					

						2.4.0
						Introduced.