Need help for filtering a file through awk script

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http://www.unix.com – Hello Folks, I am working on filtering a file having some special characters. Let's say for an example a file contains person name and phone number based on positions. First 5 characters name and next 10 characters phone number. My task is to , if there is any special character in phone number (position 6-15), then that record should be removed from the file Code: Input File   RAMUN1237891111 SUPER9019199911 GOODS9*9&889000 YESIR234^789909 Desired output Code: RAMUN1237891111 SUPER9019199911 PLease help me with the awk script to accomplish this (HowTos)