Bug
ArcGIS Pro produces invisible (therefore difficult to find and fix) characters when the Calculate Field tool runs a feature class with a Python expression that includes "<text>\<numbers>\" in a string.
| Bug ID Number | BUG-000117861 |
|---|---|
| Submitted | October 31, 2018 |
| Last Modified | May 12, 2025 |
| Applies to | ArcGIS for Desktop |
| Version found | 10.6 |
| Operating System | Windows OS |
| Operating System Version | 7 |
| Status | Will Not Be Addressed |
Additional Information
This is following the standard Python behavior. Altering the behavior could have unintended consequences for other users.Workaround
- Recalculate the field with an r in front of the string: r"<text>\<numbers>\"
- Recalculate the field and change the backslash to two backslashes: "<text>\\<numbers>\"
Steps to Reproduce
Bug ID: BUG-000117861
Software:
- ArcGIS for Desktop
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