Calculator ignores equations beginning with special characters

[titojankowski]

Distribution (run cat /etc/os-release): 22.04

Issue/Bug Description: Starting a calculation with a period or parentheses doesn't result in a calculation

Steps to reproduce (if you know):

Example A:

• Start the Launcher
• Enter a calculation that begins with a period, such as ".1+1"
• No result appears

Example B:

• Start the Launcher
• Enter a calculation that begins with a parentheses, such as "(1+1)"
• No result appears

Expected behavior: Example A: Calculator should show 1.1 as the top result

Example B: Calculator should show 2 as the top result

Other Notes: Related to #47

[titojankowski]

Are there any other valid "start" characters besides "." and "(" for an equation?

Negative sign "-" works.

[n3m0-22]

I'm having this issue as well. Using the equals sign before the equation fixes the issue e.g., =(1+1) or =.1+1.

[leviport]

Originally the equals sign was required for any calculation. Later, a feature was added that allows calculations without the equals sign, but only if a calculation is detected. I imagine this is why certain characters stop calculations from showing.