Substitutions are language elements that are recognized only within replacement patterns. They use a regular expression pattern to define all or part of the text that is to replace matched text in the input string . The replacement pattern can consist of one or more substitutions along with literal characters.
How does regex substitution work?
Substitutions are language elements that are recognized only within replacement patterns. They use a regular expression pattern to define all or part of the text that is to replace matched text in the input string . The replacement pattern can consist of one or more substitutions along with literal characters.