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rexMatchPreviousMatch

Function: rexMatchPreviousMatch { i -> bool }
file: jobb.t
package: muf
status: alpha

(This is a low-level primitive used internally by the MUQ MUF regular expression implementation: It will not normally be of interest to users unless they are writing another regular expression implemention for Muq.)

Match substring matched by i-th paren pair -- implements \1 notation. Legal values for i currently range from 0 to 31. Current implementation only supports substrings of length 8192 chars or less.


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