regex 580 python 220 javascript 205 regexp 177 regular-expressions 136 python3 81 java 73 pandas 54 nodejs 53 typescript 50 nfa 41 parser 41 dfa 38 regex-pattern 38 validation 37 html 37 php 34 nlp 33 regular-expression-engine 31 css 30 json 29 automata 28 html5 28 swift 27 golang 27 c 27 string 26 cpp 26 pattern-matching 25 matplotlib 25 parsing 25 regex-engine 25 numpy 24 library 24 node 23 machine-learning 20 beautifulsoup 20 filter 20 compiler 19 search 19 react 19 bash 19 grep 18 rust 18 match 18 cli 18 sql 18 text-processing 17 replace 17 glob 17 csharp 17 go 17 beautifulsoup4 17 js 17 nltk 16 finite-state-machine 16 webscraping 16 css3 16 regexes 16 natural-language-processing 16 web-scraping 16 seaborn 16 mysql 15 functional-programming 15 utility 15 form-validation 15 pcre 15 linux 14 string-matching 14 lexical-analysis 14 data-science 14 command-line-tool 14 string-manipulation 14 pattern 14 data-structures 14 formal-languages 13 regular 13 tokenizer 13 requests 13 api 12 es6 12 functions 12 nlp-machine-learning 12 validator 12 ruby 12 re 12 haskell 12 grammar 12 android 11 hacktoberfest 11 object-oriented-programming 11 database 11 text 11 lexer 11 git 11 tutorial 11 xml 10 tool 10 javafx 10 cheatsheet 10