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guardrex merged 4 commits into from
Mar 29, 2026
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Update routing.md #36805

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39ca181
Update routing.md
jz-k Feb 25, 2026
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Potential fix for pull request finding
jz-k Mar 23, 2026
2f473ca
Clarify 'required' value enforcement description
jz-k Mar 23, 2026
d39f9f5
Update 'required' constraint description in routing3-7.md
jz-k Mar 23, 2026
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6 changes: 3 additions & 3 deletions aspnetcore/fundamentals/routing.md
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Expand Up @@ -520,9 +520,9 @@ The following table demonstrates the default route constraints and their expecte
| `range(min,max)` | `{age:range(18,120)}` | `91` | Integer value must be at least 18 but no more than 120 |
| `alpha` | `{name:alpha}` | `Rick` | String must consist of one or more alphabetical characters, `a`-`z` and case-insensitive |
| `regex(expression)` | `{ssn:regex(^\\d{{3}}-\\d{{2}}-\\d{{4}}$)}` | `123-45-6789` | String must match the regular expression. See tips about defining a regular expression |
| `required` | `{name:required}` | `Rick` | Used to enforce that a non-parameter value is present during URL generation |
| `file` | `{filename:file}` | `myfile.txt` | String can contain path segments, but its last segment must have a dot (`.`) and be followed by one or more non-dot characters |
| `nonfile` | `{page:nonfile}` | `PageName` | String must not have a dot in its last path segment that is followed by one or more non-dot (`.`) characters |
| `required` | `{name:required}` | `Rick` | Enforces that an explicitly provided value (not a default or ambient value) is present during URL generation. |
| `file` | `{filename:file}` | `myfile.txt` | String can contain path segments, but its last segment must have a dot (`.`) and be followed by one or more non-dot characters |
| `nonfile` | `{page:nonfile}` | `PageName` | String must not have a dot in its last path segment that is followed by one or more non-dot (`.`) characters |

[!INCLUDE[](~/includes/regex.md)]

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