/**
* Get index of first occurence of codon after given startCodonNum
*
* @param sequence
* @param startCodonNum
* @return codon number of first occurence, -1 if no match or null sequence input
*/
public static int indexOfCodon(String sequence, String codon, int startCodonNum) {
if (sequence == null || codon == null) return -1;
int codonPos = StringUtils.indexOf(sequence, codon, startCodonNum * 3) + 1; // NT
// pos
// starts
// at
// 1
// not
// 0
return SequenceUtils.getCodonNum(codonPos);
}
