Test, validate and match regular expressions
Matches any run of characters on a single line that contains the literal text 'SA' followed later by 'CV', allowing any characters before and between them. With the global (g) and multiline (m) flags, it finds every such occurrence on every line of a multi-line text. It is typically used to filter or extract company names like 'EMPRESA SA DE CV', a common legal entity suffix in Spanish-speaking countries.