| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: > |
| Substitution pattern: dollar sign |
| es6id: 21.2.5.8 |
| info: | |
| 16. Repeat, for each result in results, |
| [...] |
| m. If functionalReplace is true, then |
| [...] |
| n. Else, |
| i. Let replacement be GetSubstitution(matched, S, position, |
| captures, replaceValue). |
| [...] |
| |
| 21.1.3.14.1 Runtime Semantics: GetSubstitution |
| |
| Code units: 0x0024, 0x0024 |
| Unicode Characters: $$ |
| Replacement text: $ |
| |
| [...] |
| |
| Code units: 0x0024 |
| Unicode Characters: $ in any context that does not match any of the above. |
| Replacement text: $ |
| features: [Symbol.replace] |
| ---*/ |
| |
| assert.sameValue(/./[Symbol.replace]('abc', '$$'), '$bc', '"escaped" version'); |
| assert.sameValue( |
| /./[Symbol.replace]('abc', '$'), '$bc', '"unescaped" version' |
| ); |
| assert.sameValue( |
| /./[Symbol.replace]('abc', '\\$'), '\\$bc', 'backslash-prefixed' |
| ); |
| assert.sameValue( |
| /./[Symbol.replace]('abc', '$$$'), |
| '$$bc', |
| '"escaped" followed by "unuescaped"' |
| ); |