@article {3514,
	title = {On the Use of Regular Expressions for Searching Text},
	journal = {ACM Transactions on Programming Languages and Systems (TOPLAS)},
	volume = {19},
	year = {1997},
	pages = {413--426},
	doi = {10.1145/256167.256174},
	author = {Charles Clarke and Gordon Cormack}
}
