Multiline Regex Search/Replace doesn't capture groups with lookbehind #254715
Description
Type: Bug
- Search a pattern that includes a valid(fixed length) look behind for search, eg: (?<=getRootTableRegistryName(): string\n\s{4}{\n\s{8}return\s')(\w+)(?=';)
It matches something like
getRootTableRegistryName(): string
{
return 'Audits';
- Try to replace the match, using a capture group, replacing for something like 'NameSpace.$1'.
Expected replacement:
getRootTableRegistryName(): string
{
return 'NameSpace.Audits';
Actual:
getRootTableRegistryName(): string
{
return 'NameSpace.$1';
If the lookbehind is made a normal capture group, then the capture groups on replacement work like intended.
VS Code version: Code 1.101.2 (2901c5a, 2025-06-24T20:27:15.391Z)
OS version: Windows_NT x64 10.0.22631
Modes:
Remote OS version: Linux x64 6.6.87.2-microsoft-standard-WSL2
System Info
| Item | Value |
|---|---|
| CPUs | AMD Ryzen 7 5800H with Radeon Graphics (16 x 3194) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | undefined |
| Memory (System) | 15.86GB (1.97GB free) |
| Process Argv | --folder-uri file:///c%3A/Users/desarrollo/econfirming_tasks --crash-reporter-id cf6a3676-768b-4ec3-a629-4f9d2e17bc51 |
| Screen Reader | no |
| VM | 0% |
| Item | Value |
|---|---|
| Remote | Dev Container: Econfirming |
| OS | Linux x64 6.6.87.2-microsoft-standard-WSL2 |
| CPUs | AMD Ryzen 7 5800H with Radeon Graphics (16 x 0) |
| Memory (System) | 7.68GB (2.10GB free) |
| VM | 0% |
Extensions (35)
| Extension | Author (truncated) | Version |
|---|---|---|
| Bookmarks | ale | 13.5.0 |
| remotehub | Git | 0.64.0 |
| theme-monokai-pro-vscode | mon | 2.0.7 |
| remote-containers | ms- | 0.417.0 |
| remote-ssh | ms- | 0.120.0 |
| remote-ssh-edit | ms- | 0.87.0 |
| remote-wsl | ms- | 0.99.0 |
| azure-repos | ms- | 0.40.0 |
| remote-explorer | ms- | 0.5.0 |
| remote-repositories | ms- | 0.42.0 |
| vscode-speech | ms- | 0.16.0 |
| material-icon-theme | PKi | 5.24.0 |
| material-product-icons | PKi | 1.7.1 |
| vscode-fix-checksums-next | Rim | 1.4.0 |
| synthwave-vscode | Rob | 0.1.19 |
| tom | 1.2.2 | |
| jinja | who | 0.0.8 |
| vscode-log-viewer | ber | 0.14.1 |
| vscode-office | cwe | 3.5.4 |
| vscode-eslint | dba | 3.0.10 |
| composer-php-vscode | DEV | 1.59.17515 |
| intelli-php-vscode | DEV | 0.12.17635 |
| phptools-vscode | DEV | 1.59.17515 |
| profiler-php-vscode | DEV | 1.59.17515 |
| gitlens | eam | 17.2.2 |
| EditorConfig | Edi | 0.17.4 |
| copilot | Git | 1.341.0 |
| copilot-chat | Git | 0.28.5 |
| vscode-containers | ms- | 2.0.3 |
| vscode-docker | ms- | 2.0.0 |
| postman-for-vscode | Pos | 1.13.1 |
| vscode-xml | red | 0.28.1 |
| vscode-yaml | red | 1.18.0 |
| command-variable | rio | 1.67.0 |
| sonarlint-vscode | Son | 4.26.0 |
(12 theme extensions excluded)
A/B Experiments
vsliv368cf:30146710
vspor879:30202332
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vspor363:30204092
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azure-dev_surveyone:30548225
962ge761:30959799
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cppperfnew:31000557
dwnewjupyter:31046869
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dwcopilot:31170013
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dwoutputs:31242946
customenabled:31248079
9064b325:31222308
copilot_t_ci:31333650
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pythonpulldiag:31343502
996jf627:31283433
pythonrdcb7:31342333
usemplatestapi:31297334
0aa6g176:31307128
7bj51361:31289155
747dc170:31275177
aj953862:31281341
generatesymbolt:31295002
convertfstringf:31295003
pylancequickfixt:31329274
j6a0c355:31339598
0g0a1943:31341127
d7aab740:31338110
usemarketplace:31343026
nesew2to5:31336538
agentclaude:31335815
nes-diff-11:31337487
6abeh943:31336334
yijiwantestdri0626-t:31336930
ji9b5146:31342393
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