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Comment: Published by Scroll Versions from space WBRIDGE and version 7.6.0

Anchorappendix_regular_expressions_rep_5721appendix_regular_expressions_rep_5721The replacement text for find-and-replace operations may contain references to capture-group text from the find. References are of the form $n, where n is the number of the capture group.

CharacterDescriptions
$n 
$nThe text of capture group n will be substituted for $n. n must be >= 0 and not greater than the number of capture groups. A $ not followed by a digit has no special meaning, and will appear in the substitution text as itself, a $.
 
\
 
Treat the following character as a literal, suppressing any special meaning. Backslash escaping in substitution text is only required for '$' and '\', but may be used on any other character without bad effects.