# Can you control how PLC tag names are converted to Ignition tag names?

**URL:** <https://forum.inductiveautomation.com/t/can-you-control-how-plc-tag-names-are-converted-to-ignition-tag-names/59296>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [May 6, 2022, 1:36pm UTC](https://forum.inductiveautomation.com/t/can-you-control-how-plc-tag-names-are-converted-to-ignition-tag-names/59296 "2022-05-06T13:36:01Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![lrose](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lrose/32/62724_2.png) [@lrose](https://forum.inductiveautomation.com/u/lrose)\
**Post date:** [May 6, 2022, 1:55pm UTC](https://forum.inductiveautomation.com/t/can-you-control-how-plc-tag-names-are-converted-to-ignition-tag-names/59296/4 "2022-05-06T13:55:40Z")

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> [@peter](#):
>
> Not know what characters are supported in tag names is a part of the problem.

I understand.

> [@Tag Naming, Characters not allowed](https://forum.inductiveautomation.com/t/tag-naming-characters-not-allowed/53840/12):
>
> The tag naming is ultimately enforced via regular expression that looks for characters in the unicode letter categories (p{\L}), which unfortunately means multi-byte character sequences that contain a letter and then characters in a non-letter unicode category (u0e35 and u0e48 are both “nonspacing mark”) will not match the regex and therefore not be considered a valid tag name.

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