#!/bin/bash
s='chr1 162724289 162724421 CAAAATGTTTATAAGGACAGCCTGCTCTCTCCCCTCAGTACAGGGCAGCTGCTTGCCTGTGAACCAGTAAACAGCTCTGTGGTTTCATGGTTGCTCCCTCTCTCCCCAACCCTCACCTCTCAAGGCTGGACT chr1 162724414 162724421 ID=exon:ENST00000367921.3:5;Parent=ENST00000367921.3;gene_id=ENSG00000162733.12;transcript_id=ENST00000367921.3;gene_type=protein_coding;gene_status=KNOWN;gene_name=DDR2;transcript_type=protein_coding;transcript_status=KNOWN;transcript_name=DDR2-002;exon_number=5;exon_id=ENSE00001165686.1;level=2;protein_id=ENSP00000356898.3;ccdsid=CCDS1241.1;havana_gene=OTTHUMG00000034423.4;havana_transcript=OTTHUMT00000097650.1;tag=basic,appris_principal,CCDS'
echo "$s" | sed -E 's/(.* )ID=[^[:space:]]*(exon_number=[0-9]+).*/\1\2/'

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