 Aadhavan Srinivasan
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332c2fe5a2
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Made lookarounds a little more efficient by only matching from (or to, in the case of lookbehind) the current index
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1 month ago |
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Aadhavan Srinivasan
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3fda07280e
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Added more tests
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1 month ago |
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Aadhavan Srinivasan
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e2b08f8d5f
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Updated TODO
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1 month ago |
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Aadhavan Srinivasan
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84cccc73ec
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Added grouping tests
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1 month ago |
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Aadhavan Srinivasan
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437ca2ee57
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Improved submatch tracking by storing all group indices as a part of the state, which is viewed as a 'thread'
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1 month ago |
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Aadhavan Srinivasan
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00902944f6
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Added code to match capturing groups and store into a Group (used to be MatchIndex)
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1 month ago |
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Aadhavan Srinivasan
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80ea262064
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Updated test-case structs to reflect the name of the new type
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1 month ago |
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Aadhavan Srinivasan
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f5eb9c8218
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Defined postfixNodes for LPAREN and RPAREN
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1 month ago |
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Aadhavan Srinivasan
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20fbd20994
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Added helper function to expand a slice to a given length
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1 month ago |
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Aadhavan Srinivasan
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11f7f1d746
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Added fields to state, to determine capturing group information. 0th group refers to entire match
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1 month ago |
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Aadhavan Srinivasan
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822d1f319f
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Added initial support for capturing groups
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1 month ago |
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Aadhavan Srinivasan
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745fab9639
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Clone lookaroundNFA when cloning a state; use compiled regex for
lookarounds instead of compiling a new one
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2 months ago |
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Aadhavan Srinivasan
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34e9aedbd6
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Compile lookaround regex to avoid compiling each time we want to use it
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2 months ago |
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Aadhavan Srinivasan
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6208f32710
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Added support for numeric ranges: <5-38> will match all numbers between 5 and 38, inclusive on both ends. Also print line number on which matches occur, if we are in printing (and single line) mode
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2 months ago |
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Aadhavan Srinivasan
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cbd6ea136b
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If the NFA starts with an assertion, make sure it's true before doing anything else. Also, check for last-state _lookaround_ rather than just last state, before breaking (instead of aborting) when the assertion fails
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2 months ago |
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Aadhavan Srinivasan
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eb6a044ecf
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Added angle brackets to list of special characters (which need to be escaped to be used literally
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2 months ago |
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Aadhavan Srinivasan
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393769f152
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Accounted for last character being a newline when checking for EOS (we can be at the second-last character if the last one is a newline
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2 months ago |
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Aadhavan Srinivasan
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e36310b32d
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Added function (and helper functions) to generate a regex that matches all numbers in a range
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2 months ago |
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Aadhavan Srinivasan
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298285e44c
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Added more test cases
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2 months ago |
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Aadhavan Srinivasan
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0de3a94ce3
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Fixed bug with lookaheads: f(?=f) would not match anything in 'ffa', because of the 'a' at the end of the string. Fixed by checking if there are other last states when an assertion fails, rather than immediately aborting
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2 months ago |
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Aadhavan Srinivasan
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fe1136c54c
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Fixed bug with parentheses in lookaround regex; fixed bug with reading last line of test string (if it doesn't end in a newline)
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2 months ago |
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Aadhavan Srinivasan
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25c333bea4
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Added function to determine if a state is a lookaround
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2 months ago |
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Aadhavan Srinivasan
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74c177324b
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Added more test cases
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2 months ago |
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Aadhavan Srinivasan
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7916629c4d
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Added substitute flag - substitute matched text with given text
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2 months ago |
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Aadhavan Srinivasan
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ee02e7575e
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Added function to generate all case variations of a rune
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2 months ago |
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Aadhavan Srinivasan
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c87a4b7136
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Added case-insensitve flag
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2 months ago |
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Aadhavan Srinivasan
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924e2a8dbc
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Added some AI-generated test cases (llama3.1:405b)
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2 months ago |
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Aadhavan Srinivasan
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21b2d5a2a9
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Added lookaround-related fields to postfixNode struct
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2 months ago |
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Aadhavan Srinivasan
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77d19cd84e
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Added lookaround-related fields to State struct, added lookaround support to checkAssertion()
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2 months ago |
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Aadhavan Srinivasan
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051a8551f3
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Match zero-length match at end of string, even if the start node is an assertion (end of string, lookarounds, etc.)
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2 months ago |
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Aadhavan Srinivasan
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11c0a0552f
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Added support for lokarounds; parsing and adding nodes for different lookarounds
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2 months ago |
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Aadhavan Srinivasan
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c807d6664e
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Changed generation of characters for non-whitespace, non-digit and non-word characters - it's basically an inverted character class now
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2 months ago |
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Aadhavan Srinivasan
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d986999001
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Added more tests
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2 months ago |
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Aadhavan Srinivasan
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ea64ddc88a
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Removed unnecessary duplication of assertion checking
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2 months ago |
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Aadhavan Srinivasan
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1ba871d618
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Removed dotChars() function, moved notDotChars() setting to main()
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2 months ago |
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Aadhavan Srinivasan
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1a1a8f4f9c
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Moved flag-checking after flag.Parse()
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2 months ago |
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Aadhavan Srinivasan
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e882f41400
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Added fields to denote all the characters that an 'allChars' postfixNode _shouldn't_ represent (useful for inverting character classes)
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2 months ago |
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Aadhavan Srinivasan
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b3ee1fe5e8
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Convert an inverting character class into an 'allChars' node, with the characters marked as exceptions
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2 months ago |
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Aadhavan Srinivasan
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708a9e1303
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Added field to denote all characters which an 'allChars' node _shouldn't_ match (useful for invertinc character classes
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2 months ago |
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Aadhavan Srinivasan
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c694c47be7
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Added flag to print match indices, and to enable multi-line mode
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2 months ago |
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Aadhavan Srinivasan
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2569f52552
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Wrote toString function for MatchIndex
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2 months ago |
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Aadhavan Srinivasan
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160b2f9215
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Added newline character as an escaped node
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2 months ago |
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Aadhavan Srinivasan
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992c5a9300
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Replaced isAlphaNum() with isNormalChar(), which returns true if the character isn't special (also returns true for unicode characters, which the previous function didn't
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2 months ago |
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Aadhavan Srinivasan
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1e0502c6aa
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Added unicode tests
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2 months ago |
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Aadhavan Srinivasan
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c56d81a335
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Added unicode support to dot metacharacter - it now matches _any_ unicode character (almost)
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2 months ago |
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Aadhavan Srinivasan
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8a1f1dc621
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Added unicode support
Replaced strings with rune-slices, which capture unicode codepoints more
accurately.
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2 months ago |
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Aadhavan Srinivasan
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805766a5ba
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Added support for -l : only print lines with at least one match (or with exactly 0 matches, if -v is enabled
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2 months ago |
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Aadhavan Srinivasan
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dcd712dceb
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Added support for -o flag: only print matching content
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2 months ago |
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Aadhavan Srinivasan
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f2b8812b05
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Added support for -v flag, to invert which values are printed in color. Also got rid of unecessary 'else' clause
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2 months ago |
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Aadhavan Srinivasan
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11641596fa
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Read multiple lines from stdin and apply regex to each one; Convert the array of matchIndex structs into a flat array of indices; speeds up process of checking if we have to print a character in color
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2 months ago |