Design Matching with Regular Expressions
Structure Matching with Standard Expressions
Often you ought to evaluate fictional character strings observe if they fit certain attributes, rather than to see whether or not they complement precise standards. For instance, you might want to determine strings that start S or strings which have numbers inside them. For this sort of comparison, you examine the string to a pattern. These habits are known as routine expressions , nicknamed regex .
You may have most likely put some sort of pattern coordinating in earlier times.