HFRSteam/stringutils.py at master · mmarquet/HFRSteam · GitHub

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def substringafter(string, after, offset=0):
    if (after.lower() in string.lower()):
        return string[string.lower().index(after.lower()) + len(after) + offset:]
    return string


def substringbefore(string, before, offset=0):
    if (before.lower() in string.lower()):
        return string[:string.lower().index(before.lower()) + offset]
    return string


def rsubstringafter(string, after, offset=0):
    if (after.lower() in string.lower()):
        return string[string.lower().rindex(after.lower()) + len(after) + offset:]
    return string


def rsubstringbefore(string, before, offset=0):
    if (before.lower() in string.lower()):
        return string[:string.lower().rindex(before.lower()) + offset]
    return string