Basic problem editor: stringresponses that begin with numbers are interpreted as numerical response problems

Description

To reproduce:

1. Create blank common problem with text:

Expect: as learner enter '2x' and receive credit.
Observe: as learner, enter '2x' and see error message: Invalid math syntax: '2x'

2. Create blank common problem with text:

Expect: as learner enter '11:22:33:aa:bb:cc' and receive credit.
Observe: as learner, enter '11:22:33:aa:bb:cc' and see error message: Invalid math syntax: '2x'

For context, a course team reported that they observed a behavior change:
They say the second case used to work as expected ~ 3 weeks ago, but does not work today.

Steps to Reproduce

None

Current Behavior

None

Expected Behavior

None

Reason for Variance

None

Release Notes

None

User Impact Summary

None

Assignee

Attiya Ishaq

Reporter

Jennifer Akana

Reach

None

Impact

None

Platform Area

Archived Product Areas - LMS

Customer

None

Partner Manager

None

URL

None

Contributor Name

None

Groups with Read-Only Access

None

Story Points

None

Actual Points

None

Category of Work

None

Platform Map Area (Levels 1 & 2)

None

Platform Map Area (Levels 3 & 4)

None

Priority

CAT-3
Configure