Limit quoting strings in excel to formulas

[agrancaric]

…ula characters

Basic information

• nrich version:
  2.5.3
• Module:
  nrich-excel

Additional information

Description

Summary

Limit quoting strings in excel to string that starts with one of formula characters

Details

Limit quoting strings in excel to string that starts with one of formula characters

Related issue

Types of changes

• Enhancement (non-breaking change which enhances existing functionality)

Checklist

• I have read the project's CONTRIBUTING document
• I have checked my code with the project's static analysis tooling
• I have formatted my code with the project's IDEA code-style configuration
• I have checked my code for misspellings
• I have organized my changes in easy-to-follow commits
• ~~My change requires a change to the documentation~`
• I have updated the documentation accordingly
• I have added tests to cover my changes
• All new and existing tests pass.