File: example.js

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node-regjsgen 0.5.2%2Bds-1
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// the parser goes from the regex-string to the regex-AST
parse = require('regjsparser').parse
// the generator goes the other way around
gen = require('regjsgen').generate
// we start from a trivial regex-string
orig = 'abc+'
console.log ('Original regex: ' + orig)
// turn the regex-string to regex-AST
ast = parse(orig)
// turn the regex-AST back to regex-string 
final = gen(ast)
console.log('Regex after two inverse transforms : ' + final)