class std::RegexMatcher

sys::Obj
  std::RegexMatcher

RegexMatcher is used to matching operations on a regular expression.

end

Int end(Int group := 0)

Return end index+1 one of the given group. Throw exception if failed to match input or group index is invalid.

finalize

protected virtual override Void finalize()

find

Bool find()

Attempt to find the next match . If a match is made then return true - additional info is available via the group, start, and end methods. Return false if a match cannot be made.

group

Str? group(Int group := 0)

Return the substring captured by the matching operation. Group index zero denotes the entire pattern and capturing groups are indexed from left to right starting at one. Return null if group failed to match part of the input. Throw exception if failed to match input or group index is invalid.

groupCount

Int groupCount()

Return the number of capturing groups or zero if no match. Group zero is is not included.

matches

Bool matches()

Match the entire region against the pattern. If a match is made then return true - additional info is available via the group, start, and end methods. Return false if a match cannot be made.

replaceAll

Str replaceAll(Str replacement)

Replace every sequence which matches the pattern with the given replacment string.

replaceFirst

Str replaceFirst(Str replacement)

Replace the first sequence which matches the pattern with the given replacment string.

start

Int start(Int group := 0)

Return the start index of the given group. Throw exception if failed to match input or group index is invalid.