MCQOPTIONS
 Saved Bookmarks
				This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your PHP Questions & Answers Strings and Regular Expressions 1 knowledge and support exam preparation. Choose a topic below to get started.
| 1. | 
                                    POSIX stands for ____________ | 
                            
| A. | Portable Operating System Interface for Unix | 
| B. | Portable Operating System Interface for Linux | 
| C. | Portative Operating System Interface for Unix | 
| D. | Portative Operating System Interface for Linux | 
| Answer» B. Portable Operating System Interface for Linux | |
| 2. | 
                                    [:alpha:] can also be specified as ________ | 
                            
| A. | [A-Za-z0-9] | 
| B. | [A-za-z] | 
| C. | [A-z] | 
| D. | [a-z] | 
| Answer» C. [A-z] | |