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42 lines
824 B
Python
Executable File
42 lines
824 B
Python
Executable File
__author__ = 'fergalm'
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import re
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def lreplace(string, pattern, sub):
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"""
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Replaces 'pattern' in 'string' with 'sub' if 'pattern' starts 'string'.
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"""
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return re.sub('^%s' % pattern, sub, string)
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def rreplace(string, pattern, sub):
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"""
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Replaces 'pattern' in 'string' with 'sub' if 'pattern' ends 'string'.
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"""
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return re.sub('%s$' % pattern, sub, string)
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def is_number(s):
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try:
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if len(s) > 0:
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float(s)
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return True
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except ValueError:
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pass
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except IndexError:
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pass
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except Exception:
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pass
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return False
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def trunc_lines(s, linecount):
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ret = ""
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cur = 0
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for line in s.splitlines():
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if cur < linecount:
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ret += line + "\n"
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cur += 1
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else:
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break
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return ret
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