One observes call patterns to notify users about potential scammers on the default Phone app, and the other scans apps for malware and notifies users about live threats via Google Play Protect.

You can use a special group of functions and CALL routines to match or change data according to a specific pattern that you specify. By using these functions and CALL routines, you can determine ...

This group consists of CALL RXCHANGE, CALL RXFREE, CALL RXSUBSTR, RXMATCH, and RXPARSE, and comprises the character string matching category for functions and CALL routines. For a description, see ...