diff --git a/test/built-ins/RegExp/named-groups/string-replace-escaped.js b/test/built-ins/RegExp/named-groups/string-replace-escaped.js new file mode 100644 index 0000000000000000000000000000000000000000..7c6d405a23a5c5dc8d9b8e9505d1d5aae88ce0ca --- /dev/null +++ b/test/built-ins/RegExp/named-groups/string-replace-escaped.js @@ -0,0 +1,24 @@ +// Copyright 2017 Aleksey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Do not replace $<> preceded with $ +esid: sec-getsubstitution +features: [regexp-named-groups] +info: > + Runtime Semantics: GetSubstitution( matched, str, position, captures, namedCaptures, replacement ) + + 12. These $ replacements are done left-to-right, and, once such a replacement is performed, + the new replacement text is not subject to further replacements. + + Table: Replacement Text Symbol Substitutions + + Unicode Characters: $$ + Replacement text: $ +---*/ + +let source = "(?<fst>.)"; +for (let flags of ["", "u"]) { + let re = new RegExp(source, flags); + assert.sameValue("$<fst>bc", "abc".replace(re, "$$<fst>")); +}