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Parsing

Tokenize, evaluate, validate, and decode text.

4 stops · 32 problems0/32 on the path done
next ▸ Tokenize Arithmetic ExpressionGold · 1300
1

Expression evaluation

0/8you are here

Calculators, postfix/prefix, RPN.

○Tokenize Arithmetic Expression○Evaluate Arithmetic Expression○Decode Nested Ternary Expression○Basic Calculator With Parentheses○Parse Boolean Expression○Evaluate Prefix Notation○Evaluate Truth Expression○Integer Expression Calculator
2

Tokenize & decode

0/13

Tokens, expansion, nested decode.

○Parse Grouped Integer○Nested List Weighted Sum○Compare Version Numbers○Expand Letter Counts○Parse Hex Color○Brace Expansion○Parse Spreadsheet Cell○Parse Duration String○Build Polynomial Coefficients○Expand Bracket Multipliers○Parse Quoted CSV Row○Number Of Atoms○Tag Validator
3

Validate & format

0/6

IPv4, versions, identifiers, numbers, colors.

○Clock String To Seconds○Sum Numbers In Text○Dotted Version Order○Valid Identifier Name○IPv4 Address Validator○Valid Decimal Number
4

More Parsing

0/5

Everything else that reads structured text.

○Parenthesis Depth Counter○Words From Messy Text○Sorted Key Value Pairs○Polynomial Coefficient Lookup○First Unbalanced Bracket
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