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version 2.111.0

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Function std.regex.Captures.whichPattern

Number of pattern matched counting, where 1 - the first pattern. Returns 0 on no match.

int whichPattern() const nothrow @property @safe;

Example

import std.regex;
writeln(matchFirst("abc", "[0-9]+", "[a-z]+").whichPattern); // 2

Authors

Dmitry Olshansky,

API and utility constructs are modeled after the original std.regex by Walter Bright and Andrei Alexandrescu.

License

Boost License 1.0.