Parses sequence with the given regular expression and captures the group values defined in the keys.

parser.go

package util

import (
	"regexp"
)

/**
 * Parses sequence with the given regular expression and captures the
 * group values defined in the keys.
 */
func GetParamsByRegex(regEx, seq string, keys []string) (map[string]string) {
	compRegEx := regexp.MustCompile(regEx)
	match := compRegEx.FindStringSubmatch(seq)
	params := make(map[string]string)

	/* ensure the keys.size + 1 and number of captures have the same size.
	 * otherwise, raise an error */

	for i, val := range match {
		if i > 0 { // the first index is the sequence itself, ignore it
			params[keys[i-1]] = val
		}
	}

	return params
}