| // 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>")); |
| } |
