grep replace string in multiple files

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
grep replace string in multiple files	1.82	0.8	3668	55	37
grep	1.13	0.7	6514	37	4
replace	1.39	1	1283	4	7
string	1.49	0.1	6230	68	6
in	1.64	0.1	4177	39	2
multiple	1.76	0.3	8221	98	8
files	1.46	0.6	1995	31	5

Keyword	CPC	PCC	Volume	Score
grep replace string in multiple files	1.35	0.7	4317	1
grep and replace string in multiple files	0.7	0.2	1533	43
grep find and replace in all files	0.85	0.7	1682	66
grep find and replace string	0.1	0.9	238	17
grep multiple strings in a file	1.45	0.3	5021	36
linux grep replace string	1.19	0.7	7092	99
grep string in all files	0.18	0.3	7418	60
how to grep multiple strings	0.25	0.2	8334	12
grep find multiple strings	0.08	0.3	7218	11
grep command multiple strings	1.93	0.9	6815	7
grep to find and replace	0.42	0.5	6016	59
grep find two strings in same file	1.26	0.7	5579	94
how to search multiple strings in grep	0.5	1	2873	47
grep one string or another	0.04	0.8	4160	45
unix grep multiple strings	1.17	0.7	8135	64
shell grep multiple strings	1.63	0.7	6611	54