How to make a Python Regular Expression, have an optional start requirement?
54939
Regular expression: match start or whitespace
133909
regex to allow atleast one special character, one uppercase, one lowercase(in any order)
122924
Pattern Match symbols that begin with same letter?
75443
Non-consuming regular expression split in Python
7569
How do you match only valid roman numerals with a regular expression?
71954
Regular expression to stop at first match
124636
RegEx for allowing alphanumeric at the starting and hyphen thereafter
104414
JavaScript regular expressions and sub-matches
126863
Is there something like a counter variable in regular expression replace?
138961
In Bash, how can I check if a string begins with some value?
52235
Case insensitive regular expression without re.compile?
127860
A regular expression to exclude a word/string
116912
Regex only match if character is not included directly before desired string
2223
Regular expression to match 7-12 digits; may contain space or hyphen
57228
Check for whitespace at beginning of string
130919
Regular expression for letters, numbers and - _
147011
Regular expression for excluding special characters