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1

Java 8

"

(-?[.0-9]+)\^(-?[.0-9]+)

"

gm

Replaces ^ with Math.pow function call. This assumes all braces have been combined first. If you need help with the combination, I got you—try this Python algorithm:

```
def evaluate_braces(expr):
"""Recursively evaluate expressions within braces"""
# Check if expression contains braces
if '(' in expr:
# Find the innermost set of braces
left = expr.rfind('(')
right = left + expr[left:].find(')')
# Evaluate the expression within the braces
result = eval(expr[left+1:right])
# Replace the expression within the braces with its result
expr = expr[:left] + str(result) + expr[right+1:]
# Recursively evaluate any remaining expressions within braces
expr = evaluate_braces(expr)
# Evaluate the final expression
return expr
expression = "31+((4+1)+2*7)*2"
result = evaluate_braces(expression)
print(result) # Output: 2+2+3+4*8/2
```

Submitted by Glitchii - https://github.com/Glitchii - a year ago (Last modified a year ago)