12.2. Regex Examples#

12.2.1. Example 1#

# joo select
# koo select
# loo select
# woo
# moo select
# zoo
# coo

  • Step 1: Write all the results separately you need

joo

koo

loo

moo

  • Step 2:Create imaginary line and separate them to find a pattern

    • Usually we start creating lines whereever the similar pattern (like it happened with http and https) is breaking and then in end try to replicate each section by regex (see the last example for refernce)

j|oo

k|oo

l|oo

m|oo

  • Step 3: Write the expression

  • Pattern : [j-m]oo

12.2.2. Example 2#

# xxx.yy select

# xx.yyyy select

# x.yy select

# xy

# xxyy

# yyxx

# yx

# yxxx

xxx|.|yy

xx|.|yyyy

x|.|yy

  • Pattern : x*.\y*

12.2.3. Example 3#

# foobarbaz # select
# foobazbcr # select
# baazfobfd

foo|bar|baz

foo|baz|bcr

Pattern : ^foo*

12.2.4. Example 4#

foo|aaa|bar

foo|a|bar

foo|aa|bar

  • Pattern : fooa+bar # ^foo can also be used

12.2.5. Example 5#

http|s|:|//website

http|:|//website

  • Pattern : https?://website